Form 10-Q - Quarterly report [Sections 13 or 15(d)]

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)


☒			QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended June 30, 2023


☐			TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from __ to __

Commission file number 001-34481

Mistras Group, Inc.

(Exact name of registrant as specified in its charter)


Delaware		22-3341267
(State or other jurisdiction of incorporation or organization)		(I.R.S. Employer Identification No.)

195 Clarksville Road
Princeton Junction,	New Jersey	08550
(Address of principal executive offices)		(Zip Code)

(609) 716-4000

(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Common Stock, $0.01 par value

New York Stock Exchange

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

ý Yes o No

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).

ý Yes o No

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer”, “smaller

reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer

Accelerated filer

Non-accelerated filer

Smaller reporting company

☐

Emerging Growth Company

☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

☐ Yes ý No

As of August 3, 2023, the registrant had 30,301,985 shares of common stock outstanding.

Table of Contents

TABLE OF CONTENTS


			PAGE
PART I—FINANCIAL INFORMATION

	ITEM 1.	Financial Statements	1

		Condensed Consolidated Balance Sheets as of June 30, 2023 (unaudited) and December 31, 2022	1

		Unaudited Condensed Consolidated Statements of Income (Loss) for the three and six months ended June 30, 2023 and June 30, 2022	2

		Unaudited Condensed Consolidated Statements of Comprehensive Loss for the three and six months ended June 30, 2023 and June 30, 2022	3

		Unaudited Condensed Consolidated Statements of Equity for the three and six months ended June 30, 2023 and June 30, 2022	4

		Unaudited Condensed Consolidated Statements of Cash Flows for the six months ended June 30, 2023 and June 30, 2022	5

		Notes to Unaudited Condensed Consolidated Financial Statements	6

	ITEM 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	25

	ITEM 3.	Quantitative and Qualitative Disclosures about Market Risk	36

	ITEM 4	Controls and Procedures	36

PART II—OTHER INFORMATION

	ITEM 1.	Legal Proceedings	37

	ITEM 1.A.	Risk Factors	37

	ITEM 2.	Unregistered Sales of Equity Securities, Use of Proceeds and Issuer Purchases of Equity Securities	37

	ITEM 3.	Defaults Upon Senior Securities	37

	ITEM 4.	Mine Safety Disclosures	37

	ITEM 5.	Other Information	37

	ITEM 6.	Exhibits	38

SIGNATURES			39

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PART I—FINANCIAL INFORMATION

ITEM 1. Financial Statements

Mistras Group, Inc. and Subsidiaries

Condensed Consolidated Balance Sheets

(in thousands, except share and per share data)


	June 30, 2023		December 31, 2022
ASSETS	(unaudited)
Current Assets
Cash and cash equivalents	$	17,999	$	20,488
Accounts receivable, net	118,773		123,657
Inventories	16,067		13,556
Prepaid expenses and other current assets	17,991		10,181
Total current assets	170,830		167,882
Property, plant and equipment, net	81,297		77,561
Intangible assets, net	46,145		49,015
Goodwill	201,586		199,635
Deferred income taxes	915		779
Other assets	40,173		40,032
Total assets	$	540,946	$	534,904
LIABILITIES AND EQUITY
Current Liabilities
Accounts payable	$	17,014	$	12,532
Accrued expenses and other current liabilities	78,972		77,844
Current portion of long-term debt	7,550		7,425
Current portion of finance lease obligations	5,188		4,201
Income taxes payable	980		1,726
Total current liabilities	109,704		103,728
Long-term debt, net of current portion	176,121		183,826
Obligations under finance leases, net of current portion	12,441		10,045
Deferred income taxes	10,103		6,283
Other long-term liabilities	32,044		32,273
Total liabilities	340,413		336,155
Commitments and contingencies (Note 14)
Equity
Preferred stock, 10,000,000 shares authorized	—		—
Common stock, $0.01 par value, 200,000,000 shares authorized, 30,301,985 and 29,895,487 shares issued and outstanding	302		298
Additional paid-in capital	245,058		243,031
Accumulated deficit	(16,138)		(11,489)
Accumulated other comprehensive loss	(29,035)		(33,390)
Total Mistras Group, Inc. stockholders’ equity	200,187		198,450
Non-controlling interests	346		299
Total equity	200,533		198,749
Total liabilities and equity	$	540,946	$	534,904

The accompanying notes are an integral part of these Unaudited Condensed Consolidated Financial Statements.

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Mistras Group, Inc. and Subsidiaries

Unaudited Condensed Consolidated Statements of Income (Loss)

(in thousands, except per share data)


	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022

Revenue	$	176,030	$	179,031	$	344,046	$	340,693
Cost of revenue	120,442		119,980		236,493		235,738
Depreciation	5,866		5,493		11,754		11,505
Gross profit	49,722		53,558		95,799		93,450
Selling, general and administrative expenses	41,484		40,856		84,305		82,777
Bad debt provision for troubled customers, net of recoveries	—		289		—		289
Reorganization and other costs	1,240		(180)		3,316		(65)


Legal settlement and insurance recoveries, net	150		(153)		150		(994)
Research and engineering	511		522		991		1,073
Depreciation and amortization	2,443		2,635		4,969		5,430
Acquisition-related expense, net	1		13		3		63
Income from operations	3,893		9,576		2,065		4,877
Interest expense	3,858		2,117		7,927		4,055
Income before provision (benefit) for income taxes	35		7,459		(5,862)		822
Provision (benefit) for income taxes	(341)		2,793		(1,260)		1,509
Net Income (Loss)	376		4,666		(4,602)		(687)
Less: net income attributable to noncontrolling interests, net of taxes	39		23		47		33
Net Income (Loss) attributable to Mistras Group, Inc.	$	337	$	4,643	$	(4,649)	$	(720)

Earnings (loss) per common share
Basic	$	0.01	$	0.15	$	(0.15)	$	(0.02)
Diluted	$	0.01	$	0.15	$	(0.15)	$	(0.02)
Weighted-average common shares outstanding:
Basic	30,368		29,957		30,214		29,840
Diluted	30,660		30,233		30,214		29,840

The accompanying notes are an integral part of these Unaudited Condensed Consolidated Financial Statements.

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Mistras Group, Inc. and Subsidiaries

Unaudited Condensed Consolidated Statements of Comprehensive Loss

(in thousands)


	Three months ended June 30,				Six Months Ended June 30,
	2023		2022		2023		2022

Net Income (loss)	$	376	$	4,666	$	(4,602)	$	(687)
Other comprehensive loss:
Foreign currency translation adjustments	3,082		(8,531)		4,355		(7,976)
Comprehensive Loss	3,458		(3,865)		(247)		(8,663)
Less: net income attributable to noncontrolling interest	39		23		47		33

Comprehensive loss attributable to Mistras Group, Inc	$	3,419	$	(3,888)	$	(294)	$	(8,696)

The accompanying notes are an integral part of these Unaudited Condensed Consolidated Financial Statements.

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Mistras Group, Inc. and Subsidiaries

Unaudited Condensed Consolidated Statements of Equity

(in thousands)


	Three months ended
	Common Stock			Additional paid-in capital		Retained earnings (deficit)		Accumulated other comprehensive income (loss)		Total Mistras Group, Inc. Stockholders’ Equity		Noncontrolling Interest
	Shares	Amount												Total Equity

Balance at March 31, 2023	30,230	$	302	$	244,131	$	(16,475)	$	(32,117)	$	195,841	$	307	$	196,148
Net income	—	—		—		337		—		337		39		376
Other comprehensive loss, net of tax	—	—		—		—		3,082		3,082		—		3,082
Share-based compensation	—	—		1,091		—		—		1,091		—		1,091
Net settlement of restricted stock units	72	—		(164)		—		—		(164)		—		(164)

Balance at June 30, 2023	30,302	$	302	$	245,058	$	(16,138)	$	(29,035)	$	200,187	$	346	$	200,533

Balance at March 31, 2022	29,720	$	297	$	239,656	$	(23,351)	$	(19,756)	$	196,846	$	239	$	197,085
Net income	—	—		—		4,643		—		4,643		23		4,666
Other comprehensive income, net of tax	—	—		—		—		(8,531)		(8,531)		—		(8,531)
Share-based payments	—	—		1,255		—		—		1,255		—		1,255
Net settlement of restricted stock units	87	—		(214)		—		—		(214)		—		(214)

Balance at June 30, 2022	29,807	$	297	$	240,697	$	(18,708)	$	(28,287)	$	193,999	$	262	$	194,261


	Six months ended
	Common Stock			Additional paid-in capital		Retained earnings (deficit)		Accumulated other comprehensive income (loss)		Total Mistras Group, Inc. Stockholders’ Equity		Noncontrolling Interest
	Shares	Amount												Total Equity

Balance at December 31, 2022	29,895	$	298	$	243,031	$	(11,489)	$	(33,390)	$	198,450	$	299	$	198,749
Net income (loss)	—	—		—		(4,649)		—		(4,649)		47		(4,602)
Other comprehensive loss, net of tax	—	—		—		—		4,355		4,355		—		4,355
Share-based compensation	—	—		2,968		—		—		2,968		—		2,968
Net settlement of restricted stock units	407	4		(941)		—		—		(937)		—		(937)

Balance at June 30, 2023	30,302	$	302	$	245,058	$	(16,138)	$	(29,035)	$	200,187	$	346	$	200,533

Balance at December 31, 2021	29,546	$	295	$	238,687	$	(17,988)	$	(20,311)	$	200,683	$	229	$	200,912
Net income	—	—		—		(720)		—		(720)		33		(687)
Other comprehensive income, net of tax	—	—		—		—		(7,976)		(7,976)		—		(7,976)
Share-based compensation	—	—		2,770		—		—		2,770		—		2,770
Net settlement of restricted stock units	261	2		(760)		—		—		(758)		—		(758)


Balance at June 30, 2022	29,807	$	297	$	240,697	$	(18,708)	$	(28,287)	$	193,999	$	262	$	194,261

The accompanying notes are an integral part of these Unaudited Condensed Consolidated Financial Statements.

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Mistras Group, Inc. and Subsidiaries

Unaudited Condensed Consolidated Statements of Cash Flows

(in thousands)


	Six months ended June 30,
	2023		2022

Cash flows from operating activities
Net loss	$	(4,602)	$	(687)
Adjustments to reconcile net loss to net cash provided by operating activities
Depreciation and amortization	16,722		16,935

Deferred income taxes	3,441		(80)
Share-based compensation expense	2,968		2,770

Fair value adjustments to contingent consideration	—		45
Foreign currency loss	875		4

Other	(513)		709
Changes in operating assets and liabilities
Accounts receivable	5,856		(23,035)
Inventories	(2,402)		(430)
Prepaid expenses and other assets	(7,420)		5,198
Accounts payable	4,261		4,790
Accrued expenses and other liabilities	1,202		2,676
Income taxes payable	(1,129)		(553)
Payment of contingent consideration liability in excess of acquisition-date fair value	(938)		(533)
Net cash provided by operating activities	18,321		7,809
Cash flows from investing activities
Purchase of property, plant and equipment	(9,801)		(6,692)

Purchase of intangible assets	(822)		(399)

Proceeds from sale of equipment	812		592

Net cash used in investing activities	(9,811)		(6,499)
Cash flows from financing activities
Repayment of finance lease obligations	(2,528)		(2,138)

Repayment of long-term debt	(3,808)		(9,507)
Proceeds from revolver	46,194		56,000
Repayment of revolver	(50,100)		(48,250)

Payment of contingent consideration for business acquisitions	—		(405)
Taxes paid related to net share settlement of share-based awards	(945)		(756)

Net cash used in financing activities	(11,187)		(5,056)
Effect of exchange rate changes on cash and cash equivalents	188		(1,755)
Net change in cash and cash equivalents	(2,489)		(5,501)
Cash and cash equivalents at beginning of period	20,488		24,110
Cash and cash equivalents at end of period	$	17,999	$	18,609
Supplemental disclosure of cash paid
Interest, net	$	8,899	$	3,525
Income taxes, net of refunds	$	3,429	$	(3,466)
Noncash investing and financing
Equipment acquired through finance lease obligations	$	5,764	$	2,039

The accompanying notes are an integral part of these Unaudited Condensed Consolidated Financial Statements.

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Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

1. Description of Business and Basis of Presentation

Description of Business

Mistras Group, Inc., together with its subsidiaries (the Company), is a leading “one source” multinational provider of integrated technology-enabled asset protection solutions helping to maximize the safety and operational uptime for civilization’s most critical industrial and civil assets.

Backed by an innovative, data-driven asset protection portfolio, proprietary technologies, and decades-long legacy of industry leadership, the Company helps clients with asset-intensive infrastructure in the oil and gas, aerospace and defense, industrials, power generation and transmission (including alternative and renewable energy), other process industries and infrastructure, research and engineering and other industries towards achieving and maintaining operational excellence. By supporting these organizations that help fuel our vehicles and power our society; inspecting components that are trusted for commercial, defense, and space craft; and building real-time monitoring systems to help avoid catastrophic incidents, the Company helps the world at large.

The Company enhances value for its clients by integrating asset protection throughout supply chains and centralizing integrity data through a suite of Industrial Internet of Things ("IoT")-connected digital software and monitoring solutions, including OneSuite™, which serves as an ecosystem platform, pulling together all of the Company’s software and data services capabilities, for the benefit of its customers.

The Company’s core capabilities also include non-destructive testing (“NDT”) field inspections enhanced by advanced robotics, laboratory quality control and assurance testing, sensing technologies and NDT equipment, asset and mechanical integrity engineering services, and light mechanical maintenance and access services.

The Company has three operating segments. During the first quarter of 2023, the Company renamed the Services segment to more closely align to the geographical area in which the Segment operates. We did not recast the corresponding financial information for the historical periods presented, as there was no change in the manner which our chief operating decision maker reviews the financial results of each Segment and allocates resources. Our Segments, with the updated naming convention, are as follows:

•North America (Referred to as "Services" in prior filings). This segment provides asset protection solutions predominantly in North America, with the largest concentration in the United States, followed by Canada, consisting primarily of NDT, inspection, mechanical and engineering services that are used to evaluate the safety, structural integrity and reliability of critical energy, industrial and public infrastructure and commercial aerospace components. Software, digital and data services are included in this segment.

•International. This segment offers services, products and systems similar to those of the other segments to select markets within Europe, the Middle East, Africa, Asia and South America, but not to customers in China and South Korea, which are served by the Products and Systems segment.

•Products and Systems. This segment designs, manufactures, sells, installs and services the Company’s asset protection products and systems, including equipment and instrumentation, predominantly in the United States.

Recent Developments

Overall, the Company has taken actions to help ensure the health and safety of Company employees and those of its customers and suppliers; maintain business continuity and financial strength and stability; and serve customers as they provide essential products and services to the world.

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Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

During 2022, the Company experienced unfavorable foreign currency exchange impacts as it relates to the Company's European operations, which has continued in 2023. Additionally, the Russian-Ukrainian war continues to create disruptions in the oil and gas market and the supply chain in general, which is resulting in some disruption to our business operations. The Company’s European operations are currently experiencing increased costs associated with higher energy costs, among others, due in part to the Russian-Ukrainian war.

In 2022, the Company eliminated substantially all of the COVID related cost reduction initiatives undertaken in 2020, including re-installment of the savings plan employer match and increasing wages back to pre-pandemic amounts.

Basis of Presentation

The Unaudited Condensed Consolidated Financial Statements contained in this report have been prepared in conformity with U.S. generally accepted accounting principles ("GAAP") and Securities and Exchange Commission ("SEC") guidance allowing for reduced disclosure for interim periods. In the opinion of management, the Unaudited Condensed Consolidated Financial Statements include all adjustments, which are of a normal recurring nature, necessary for a fair statement of the results for the interim periods of the years ending December 31, 2023 and December 31, 2022.

Certain items included in these statements are based on management’s estimates. Actual results may differ from those estimates. The results of operations for any interim period are not necessarily indicative of the results expected for the year. The accompanying Unaudited Condensed Consolidated Financial Statements should be read in conjunction with the notes to the Audited Consolidated Financial Statements contained in the Company’s 2022 Annual Report on Form 10-K ("2022 Annual Report").

Principles of Consolidation

The accompanying Unaudited Condensed Consolidated Financial Statements include the accounts of Mistras Group, Inc. as well as its wholly-owned subsidiaries, majority-owned subsidiaries and consolidated variable interest entities (VIE). For subsidiaries in which the Company’s ownership interest is less than 100%, the non-controlling interests are reported in stockholders’ equity in the accompanying Condensed Consolidated Balance Sheets. The non-controlling interests in net results, net of tax, is classified separately in the accompanying Unaudited Condensed Consolidated Statements of Income (Loss). All significant intercompany accounts and transactions have been eliminated in consolidation. The results of operations of companies acquired are included from the date of acquisition.

Reclassification

Certain amounts in prior periods have been reclassified to conform to the current year presentation. Such reclassifications did not have a material effect on the Company’s financial condition or results of operations as previously reported.

Significant Accounting Policies

The Company’s significant accounting policies are disclosed in Note 1–Summary of Significant Accounting Policies and Practices in the 2022 Annual Report. On an ongoing basis, the Company evaluates its estimates and assumptions, including among other things, those related to revenue recognition, long-lived assets, goodwill and acquisitions. Since the date of the 2022 Annual Report, there have been no material changes to the Company’s significant accounting policies.

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Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

Income Taxes

Income taxes are accounted for under the asset and liability method. We recognize deferred tax assets and liabilities at enacted income tax rates for the temporary differences between the financial reporting bases and the tax bases of our assets and liabilities. Any effects of changes in income tax rates or tax laws are included in the provision for income taxes in the period of enactment. Our net deferred tax assets primarily consist of net operating loss carryforwards, or NOLs. A valuation allowance is provided if it is more likely than not that some or all of a deferred income tax asset will not be realized. A current tax liability or asset is recognized for the estimated taxes payable or refundable on tax returns for the current and prior years.

As of June 30, 2023, management concluded that it is more likely than not that a substantial portion of the Company’s deferred tax assets will be realized.

We recognize the tax benefit from an uncertain tax position only if it is more likely than not that the tax position will be sustained on examination by the taxing authorities, based on the technical merits of the position. The tax benefits recognized in the financial statements from such a position are measured based on the largest benefit that has a greater than 50% likelihood of being realized upon ultimate resolution.

The Company’s effective income tax rate was approximately (974.3)% and 37.4% for the three months ended June 30, 2023 and 2022, respectively. The Company’s effective income tax rate was approximately 21.5% and 183.6% for the six months ended June 30, 2023 and 2022, respectively.

The effective income tax rate for the three months ended June 30, 2023, was lower than the statutory rate primarily due to the impact of favorable discrete item related to stock compensation. The effective income tax rate for the three months ended June 30, 2022 was higher than the statutory rate primarily due a $0.7 million valuation allowance recorded on a foreign jurisdiction.

The effective income tax rate for the six months ended June 30, 2023 was lower than the statutory rate due primarily to an unfavorable discrete item related to stock compensation. The effective income tax rate for the six months ended June 30, 2022 was higher than the statutory rate due primarily to a $0.7 million valuation allowance recorded during the period which was related to a foreign jurisdiction.

Recent Accounting Pronouncements

In March 2020 and updated in January 2021, the FASB issued Accounting Standards Update ("ASU") 2020-04 and 2021-01, “Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting.” The amendments provide optional guidance for a limited period of time to ease the potential burden in accounting for (or recognizing the effects of) reference rate reform on financial reporting. The guidance provides optional expedients and exceptions for applying U.S. GAAP to contract modifications and hedging relationships, subject to meeting certain criteria, that reference LIBOR or another rate that is expected to be discontinued. The amendments in ASU 2020-04 are effective for all entities as of March 12, 2020 through December 31, 2024. The Company is currently evaluating applicable contracts and the available expedients provided by the new guidance.

2. Revenue

The Company derives the majority of its revenue by providing services on a time and material basis, and are short-term in nature. The Company accounts for revenue in accordance with ASC Topic 606, Revenue from Contracts with Customers.

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Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

Performance Obligations

The Company provides highly integrated and bundled inspection services to its customers. The majority of the Company’s contracts have a single performance obligation as the promise to transfer the individual goods or services is not separately identifiable from other promises in the contracts and is, therefore, not distinct. For contracts with multiple performance obligations, the Company allocates the contract’s transaction price to each performance obligation using the Company’s best estimate of the standalone selling price of each distinct good or service in the contract. The primary method used to estimate standalone selling price is a relative selling price based on price lists.

Contract modifications are not routine in the performance of the Company’s contracts. Generally, when contracts are modified, the modification is to account for changes in scope to the goods and services that are provided. In most instances, contract modifications are for goods or services that are distinct, and, therefore, are accounted for as a separate contract.

The Company’s performance obligations are satisfied over time as work progresses or at a point in time. The majority of the Company’s revenue is recognized over time as work progresses for the Company’s service deliverables, which includes providing testing, inspection and mechanical services to our customers. Revenue is recognized over time, based on time and material incurred to date which best portrays the transfer of control to the customer. The Company also utilizes an available practical expedient that provides for revenue to be recognized in an amount that corresponds directly with the value to the customer of the entity’s performance completed to date. Fixed fee arrangements are determined based on expected labor, material, and overhead to be consumed on fulfillment of such services. For these arrangements, revenue is recognized on a cost-to-cost method tracked on an input basis.

The majority of our revenue recognized at a point in time is related to product sales when the customer obtains control of the asset, which is generally upon shipment to the customer. Contract costs include labor, material and overhead.

The Company expects any significant remaining performance obligations to be satisfied within one year.

Contract Estimates

The majority of the Company's revenues are short-term in nature. The Company enters into master service agreements (MSAs) with customers that specify an overall framework and contract terms. The actual contracting to provide services or furnish products are triggered by a work order, purchase order, or some similar document issued pursuant to a MSA which sets forth the scope of services and/or identifies the products to be provided. From time-to-time, the Company may enter into longer-term contracts, which can range from several months to several years. Revenue on certain contracts is recognized as work is performed based on total costs incurred to date in relation to the total estimated costs for the performance of the contract at completion. This includes contract estimates of costs to be incurred for the performance of the contract. Cost estimation is based upon the professional knowledge and experience of the Company's project managers, engineers and financial professionals. Factors that are considered in estimating the work to be completed include the availability of materials, the effect of any delays in the Company's project performance and the recoverability of any claims. Whenever revisions of estimates, contract costs and/or contract values indicate that the contract costs will exceed estimated revenues, thus creating a loss, a provision for the total estimated loss is recorded in that period.

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Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

Revenue by Category

The following series of tables present the Company’s disaggregated revenue:

Revenue by industry was as follows:


Three Months Ended June 30, 2023	North America		International		Products		Corp/Elim		Total
Oil & Gas	$	97,500	$	8,609	$	15	$	—	$	106,124
Aerospace & Defense	13,665		5,136		217		—		19,018
Industrials	11,066		6,203		468		—		17,737
Power generation & Transmission	5,459		1,530		1,167		—		8,156
Other Process Industries	8,864		4,466		51		—		13,381
Infrastructure, Research & Engineering	4,171		2,028		547		—		6,746
Petrochemical	1,577		156		—		—		1,733
Other	3,248		2,149		864		(3,126)		3,135
Total	$	145,550	$	30,277	$	3,329	$	(3,126)	$	176,030


Three Months Ended June 30, 2022	North America		International		Products		Corp/Elim		Total
Oil & Gas	$	93,098	$	8,028	$	139	$	—	$	101,265
Aerospace & Defense	17,300		5,118		26		—		22,444
Industrials	9,794		6,506		333		—		16,633
Power generation & Transmission	8,378		1,997		678		—		11,053
Other Process Industries	11,641		3,754		14		—		15,409
Infrastructure, Research & Engineering	3,183		2,193		442		—		5,818
Petrochemical	3,584		55		—		—		3,639
Other	2,550		1,959		1,020		(2,759)		2,770
Total	$	149,528	$	29,610	$	2,652	$	(2,759)	$	179,031


Six Months Ended June 30, 2023	North America		International		Products		Corp/Elim		Total
Oil & Gas	$	187,273	$	17,464	$	52	$	—	$	204,789
Aerospace & Defense	27,276		10,116		228		—		37,620
Industrials	20,368		12,256		1,026		—		33,650
Power generation & Transmission	10,446		3,187		2,493		—		16,126
Other Process Industries	17,973		7,703		78		—		25,754
Infrastructure, Research & Engineering	6,654		4,164		1,689		—		12,507
Petrochemical	6,714		301		—		—		7,015
Other	5,778		4,493		1,502		(5,188)		6,585
Total	$	282,482	$	59,684	$	7,068	$	(5,188)	$	344,046

Table of Contents

Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)



Six Months Ended June 30, 2022	North America		International		Products		Corp/Elim		Total
Oil & Gas	$	179,711	$	15,600	$	177	$	—	$	195,488
Aerospace & Defense	32,322		10,058		134		—		42,514
Industrials	18,801		12,034		835		—		31,670
Power generation & Transmission	12,200		4,559		1,523		—		18,282
Other Process Industries	21,934		7,272		15		—		29,221
Infrastructure, Research & Engineering	5,689		4,232		1,339		—		11,260
Petrochemical	6,629		133		—		—		6,762
Other	5,188		3,860		1,565		(5,117)		5,496
Total	$	282,474	$	57,748	$	5,588	$	(5,117)	$	340,693

Revenue per key geographic location was as follows:


Three Months Ended June 30, 2023	North America		International		Products		Corp/Elim		Total
United States	$	122,972	$	280	$	1,645	$	(271)	$	124,626
Other Americas	21,041		3,821		298		(1,474)		23,686
Europe	1,282		24,474		504		(1,166)		25,094
Asia-Pacific	255		1,702		882		(215)		2,624
Total	$	145,550	$	30,277	$	3,329	$	(3,126)	$	176,030


Three Months Ended June 30, 2022	North America		International		Products		Corp/Elim		Total
United States	$	126,286	$	334	$	1,492	$	(567)	$	127,545
Other Americas	22,553		1,376		168		(1,105)		22,992
Europe	415		27,353		514		(955)		27,327
Asia-Pacific	274		547		478		(132)		1,167
Total	$	149,528	$	29,610	$	2,652	$	(2,759)	$	179,031


Six Months Ended June 30, 2023	North America		International		Products		Corp/Elim		Total
United States	$	243,572	$	589	$	3,446	$	(869)	$	246,738
Other Americas	35,311		7,310		624		(1,906)		41,339
Europe	2,694		48,657		765		(1,992)		50,124
Asia-Pacific	905		3,128		2,233		(421)		5,845
Total	$	282,482	$	59,684	$	7,068	$	(5,188)	$	344,046



Six Months Ended June 30, 2022	North America		International		Products		Corp/Elim		Total
United States	$	240,221	$	507	$	2,843	$	(1,222)	$	242,349
Other Americas	40,605		2,717		184		(1,714)		41,792
Europe	1,159		53,273		1,094		(1,879)		53,647
Asia-Pacific	489		1,251		1,467		(302)		2,905
Total	$	282,474	$	57,748	$	5,588	$	(5,117)	$	340,693

Table of Contents

Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

Contract Balances

The timing of revenue recognition, billings and cash collections results in billed accounts receivable, unbilled receivables (contract assets), and customer advances and deposits (contract liabilities) on the Consolidated Balance Sheets. Amounts are generally billed as work progresses in accordance with agreed-upon contractual terms, generally at periodic intervals (e.g., weekly, bi-weekly or monthly). Generally, billing occurs subsequent to revenue recognition, resulting in contract assets. However, the Company sometimes receives advances or deposits from its customers before revenue is recognized, resulting in contract liabilities. These assets and liabilities are aggregated on an individual contract basis and reported on the Consolidated Balance Sheets at the end of each reporting period within accounts receivable, net or accrued expenses and other current liabilities.

Revenue recognized during the six months ended June 30, 2023 and 2022 that was included in the contract liability balance at the beginning of such year was $4.6 million and $1.4 million, for each period. Changes in the contract asset and liability balances during these periods were not materially impacted by any other factors. The Company applies a practical expedient to expense incremental costs incurred related to obtaining a contract. The Company applies the practical expedient to expense incremental costs incurred relating to obtaining a contract when the amortization period of the asset that the Company otherwise would have recognized is one year or less.

3. Share-Based Compensation

The Company grants share-based incentive awards to its eligible employees and non-employee directors under two equity incentive plans: (i) the 2009 Long-Term Incentive Plan (the "2009 Plan") and (ii) the 2016 Long-Term Incentive Plan (the "2016 Plan"). No awards have been granted under the 2009 Plan since the 2016 Plan was approved by shareholders in 2016, and the remaining stock option award granted under the 2009 Plan expired during the three months ended March 31, 2022. Awards granted under the 2016 Plan may be in the form of stock options, restricted stock units and other forms of share-based incentives, including performance restricted stock units, stock appreciation rights and deferred stock rights. At the annual shareholders meeting on May 23, 2022, the Company’s shareholders approved an amendment to increase the total number of shares that may be issued under the 2016 Plan by 1.2 million, for a total of 4.9 million shares that are authorized for issuance under the 2016 Plan, of which approximately 1,200,000 shares were available for future grants as of June 30, 2023.

Stock Options

During the three months ended March 31, 2022, all remaining outstanding stock options expired. For each of the three and six months ended June 30, 2023 and 2022, the Company did not recognize any share-based compensation expense related to the stock option award.

Restricted Stock Unit Awards

For the three months ended June 30, 2023 and June 30, 2022, the Company recognized share-based compensation expense related to restricted stock unit awards of $0.8 million and $0.9 million, respectively. For the six months ended June 30, 2023 and 2022, the Company recognized share-based compensation expense related to restricted stock unit awards of $1.8 million and $1.9 million, respectively. As of June 30, 2023, there was $9.2 million of unrecognized compensation costs, net of estimated forfeitures, related to restricted stock unit awards, which is expected to be recognized over a remaining weighted-average period of 2.9 years. Upon vesting, restricted stock units are generally net share-settled to cover the required withholding tax and the remaining amount is converted into an equivalent number of shares of common stock.

A summary of the vesting activity of restricted stock unit awards, with the respective fair value of the awards, is as follows:


	Six months ended June 30,
	2023		2022
Restricted stock awards vested	430		326
Fair value of awards vested	$	2,616	$	2,164

Table of Contents

Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

A summary of the fully-vested common stock the Company issued to its six non-employee directors, in connection with its non-employee director compensation plan, is as follows:


	Six months ended June 30,
	2023		2022
Awards issued	48		34
Grant date fair value of awards issued	$	275	$	225

A summary of the Company’s outstanding, non-vested restricted share units is as follows:


	Six months ended June 30,
	2023			2022
	Units	Weighted Average Grant-Date Fair Value		Units	Weighted Average Grant-Date Fair Value
Outstanding at beginning of period:	1,415	$	6.66	1,208	$	7.96
Granted	581	$	8.42	675	$	7.65
Released	(430)	$	6.09	(326)	$	10.03
Forfeited	(98)	$	7.94	(20)	$	8.49
Outstanding at end of period:	1,468	$	7.62	1,537	$	7.38

Performance Restricted Stock Units

The Company maintains Performance Restricted Stock Units (PRSUs) that have been granted to select executives and senior officers whose ultimate payout is based on the Company’s performance over a one-year period based on specific metrics approved by the Compensation Committee of the Board of Directors of the Company.

For 2022, the Compensation Committee utilized the same structure for the Company's equity incentive compensation plan for its executive officers as 2021, and approved the new target awards for 2022. The three metrics were:

1.Free Cash Flow net cash provided by operating activities less purchases of property, plant, equipment and intangible assets and is subject to adjustments approved by the Compensation Committee.

2.Adjusted EBITDA defined as net income attributable to the Company plus: interest expense, provision for income taxes, depreciation and amortization, share-based compensation expense and certain acquisition related costs (including transaction due diligence costs and adjustments to the fair value of contingent consideration), foreign exchange (gain) loss and, if applicable, certain special items which are noted).

3.Total Shareholder Return (TSR) measures the total return to shareholders of the Company during 2021 versus the total return to the shareholders of a predefined peer group of companies that provide inspection, testing, certification or similar industrial services. The return will be measured by the year over year percent change in share price. The share prices used to calculate the return are the average share price during the 20-trading day period ending on the initial measurement date (the last 20 trading days of 2020), compared to the average share price during the 20-trading day period ending on the final measurement date (the last 20 trading days of 2021). Any cash dividends or distributions paid in 2021 will be added to calculate the return to shareholders during the year. TSR is considered a market condition for which the fair value of PRSUs with this condition is determined using a Monte Carlo valuation model. Key assumptions in the Monte Carlo valuation model included:

a.Expected Volatility. Expected volatility of the Company’s common stock at the date of grant was estimated based on a historical average volatility rate for the approximate 1-year performance period.

b.Dividend Yield. The dividend yield assumption was based on historical and anticipated dividend payouts (assumed at zero).

c.Risk-Free Interest Rate. The risk-free interest rate assumption was based on observed interest rates consistent with the approximate 1-year performance measurement period.

Table of Contents

Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

For 2023, the Compensation Committee made changes to the Company's equity incentive compensation plan for its executive officers including modifying the metrics utilized, and approved the new target awards for 2023. The three metrics are:

1.Free Cash Flow net cash provided by operating activities less purchases of property, plant, equipment and intangible assets and is subject to adjustments approved by the Compensation Committee.

3.Revenue

PRSUs are equity-classified and compensation costs are initially measured using the fair value of the underlying stock at the date of grant. Compensation costs related to the PRSUs are subsequently adjusted for changes in the expected outcomes of the performance conditions. Compensation cost related to the PRSUs with a market condition is not reversed if the market condition is not achieved, provided the employee requisite service has been rendered. PRSUs generally vest ratably on each of the first four anniversary dates upon completion of the performance period, for a total requisite service period of up to five years and have no dividend rights.

A summary of the Company’s PRSU activity is as follows:


	Six months ended June 30,
	2023			2022
	Units	Weighted Average Grant-Date Fair Value		Units	Weighted Average Grant-Date Fair Value
Outstanding at beginning of period:	280	$	9.96	388	$	10.07
Granted	282	$	8.50	341	$	6.55
Performance condition adjustments	(215)	$	8.27	(163)	$	8.34
Released	(64)	$	5.58	(17)	$	6.85
Forfeited	(84)	$	6.95	—	$	—
Outstanding at end of period:	199	$	9.45	549	$	9.12

During the six months ended June 30, 2023, the Compensation Committee approved the final calculation of the award metrics for calendar year 2022. As a result, the calendar year 2023 PRSUs decreased by approximately 215,000 units during the six months ended June 30, 2023 as a result of the final calculation of award metrics for 2022 awards and based on forecasted results for 2023 as compared to performance metrics determined by the Compensation Committee.

For the three months ended June 30, 2023 and June 30, 2022, the Company recognized aggregate share-based compensation expense related to the awards described above of approximately $0.2 million and $0.3 million, respectively. For the six months ended June 30, 2023 and June 30, 2022, the Company recognized aggregate share-based compensation expense related to the awards described above of approximately $0.6 million and $0.6 million, respectively. At June 30, 2023, there was $1.5 million of total unrecognized compensation costs related to approximately 199,000 non-vested PRSUs, which is expected to be recognized over a remaining weighted-average period of 1.6 years.

Table of Contents

Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

4. Earnings (loss) per Share

Basic earnings (loss) per share is computed by dividing net income (loss) by the weighted-average number of shares outstanding during the period. Diluted earnings per share is computed by dividing net income (loss) by the sum of (1) the weighted-average number of shares of common stock outstanding during the period, and (2) the dilutive effect of assumed conversion of equity awards using the treasury stock method. With respect to the number of weighted-average shares outstanding (denominator), diluted shares reflects: (i) the exercise of options to acquire common stock to the extent that the options’ exercise prices are less than the average market price of common shares during the period and (ii) the pro forma vesting of restricted stock units.

The following table sets forth the computations of basic and diluted earnings (loss) per share:


	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022

Basic earnings (loss) per share
Numerator:
Net income (loss) attributable to Mistras Group, Inc.	$	337	$	4,643	$	(4,649)	$	(720)
Denominator:
Weighted average common shares outstanding	30,368		29,957		30,214		29,840
Basic earnings (loss) per share	$	0.01	$	0.15	$	(0.15)	$	(0.02)

Diluted earnings (loss) per share:
Numerator:
Net income (loss) attributable to Mistras Group, Inc.	$	337	$	4,643	$	(4,649)	$	(720)
Denominator:
Weighted average common shares outstanding	30,368		29,957		30,214		29,840

Dilutive effect of restricted stock units outstanding (1)	292		276		—		—
	30,660		30,233		30,214		29,840
Diluted earnings (loss) per share	$	0.01	$	0.15	$	(0.15)	$	(0.02)

_______________

(1) For the six months ended June 30, 2023 and 2022, 1,106,595 shares and 1,412,073 shares related to restricted stock were excluded from the calculation of diluted EPS due to the net loss for the period.

5. Acquisitions

Table of Contents

Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

Acquisition-Related Expense

In the course of its acquisition activities, the Company incurs costs in connection with due diligence, such as professional fees, and other expenses. Additionally, the Company adjusts the fair value of acquisition-related contingent consideration liabilities on a quarterly basis. These amounts are reported as Acquisition-related expense, net on the Unaudited Condensed Consolidated Statements of Income (Loss) and were as follows for the three and six months ended June 30, 2023 and 2022:


	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022
Due diligence, professional fees and other transaction costs	$	1	$	13	$	3	$	18
Adjustments to fair value of contingent consideration liabilities			—				45
Acquisition-related expense, net	$	1	$	13	$	3	$	63

The Company's contingent consideration liabilities are included in Accrued expenses and other current liabilities and Other long-term liabilities on the Condensed Consolidated Balance Sheets.

6. Accounts Receivable, net

Accounts receivable consisted of the following:


	June 30, 2023		December 31, 2022

Trade accounts receivable	$	120,634	$	127,767
Allowance for credit losses	(1,861)		(4,110)
Accounts receivable, net	$	118,773	$	123,657

The Company had $20.5 million and $13.5 million of unbilled revenue accrued as of June 30, 2023 and December 31, 2022, respectively. These amounts are included in the trade accounts receivable balances above. Unbilled revenue is generally billed in the subsequent quarter to their revenue recognition. The Company considers unbilled receivables as short-term in nature as they are normally converted to trade receivables within 90 days, thus future changes in economic conditions will not have a significant effect on the credit loss estimate.

The Company was contracted to perform inspections of welds on various pipeline projects in Texas for a customer. As of December 31, 2019, approximately $1.4 million of past due receivables were outstanding from this customer. The Company received notice from the customer in December 2019, alleging that the work performed was not in compliance with the contract. The Company filed a lawsuit to recover the $1.4 million and other amounts due to the Company and the customer filed a counterclaim, alleging breach of contract and seeking its damages. The Company recorded a full reserve for this receivable during 2019. The parties agreed to a settlement in the quarter ending June 30, 2023 with releases executed in July, whereby the Company would release its claim for the $1.4 million of outstanding receivables. Accordingly, the receivable has been written off. See Note 14-Commitments and Contingencies for additional details.

7. Inventory

Table of Contents

Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

Inventories consist of the following (in thousands):


	June 30, 2023		December 31, 2022

Raw materials and consumable supplies	$	8,841	$	7,745
Work in progress and finished goods	7,226		5,811
Inventories	$	16,067	$	13,556

8. Property, Plant and Equipment, net

Property, plant and equipment consisted of the following:


	Useful Life (Years)	June 30, 2023		December 31, 2022

Land		$	2,449	$	2,529
Buildings and improvements	30-40	25,815		24,800
Office furniture and equipment	5-8	22,270		18,057
Machinery and equipment	5-7	259,697		251,282
		310,231		296,668
Accumulated depreciation and amortization		(228,934)		(219,107)
Property, plant and equipment, net		$	81,297	$	77,561

Depreciation expense for the three months ended June 30, 2023 and 2022 was approximately $6.2 million and $5.8 million, respectively.

Depreciation expense for the six months ended June 30, 2023 and 2022 was $12.4 million and $12.3 million, respectively.

9. Goodwill

Changes in the carrying amount of goodwill by segment is shown below:


	North America		International		Products and Systems		Total
Balance at December 31, 2022	$	185,710	$	13,925	$	—	$	199,635



Foreign currency translation	1,658		293		—		1,951
Balance at June 30, 2023	$	187,368	$	14,218	$	—	$	201,586

The Company reviews goodwill for impairment on a reporting unit basis on October 1 of each year and whenever events or changes in circumstances indicate the carrying value of goodwill may not be recoverable.

The Company performed a quantitative annual impairment test as of October 1, 2022 and the Company did not identify any changes in circumstances that would indicate the carrying value of goodwill may not be recoverable. Additionally, through June 30, 2023, the Company did not identify any changes in circumstances that would indicate the carrying value of goodwill may not be recoverable. Significant adverse changes in future periods could negatively affect the Company’s key assumptions and may result in future goodwill impairment charges which could be material.

Table of Contents

Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

10. Intangible Assets

The gross amount, accumulated amortization and net carrying amount of intangible assets were as follows:


		June 30, 2023				December 31, 2022
	Useful Life (Years)	Gross Amount		Accumulated Amortization		Net Carrying Amount		Gross Amount		Accumulated Amortization		Net Carrying Amount

Customer relationships	5-18	$	110,469	$	(87,519)	$	22,950	$	109,683	$	(84,130)	$	25,553
Software/Technology	3-15	52,759		(30,550)		22,209		51,028		(28,669)		22,359
Covenants not to compete	2-5	12,534		(12,472)		62		12,488		(12,416)		72
Other	2-12	10,457		(9,533)		924		10,389		(9,358)		1,031
Total		$	186,219	$	(140,074)	$	46,145	$	183,588	$	(134,573)	$	49,015

Amortization expense for the three months ended June 30, 2023 and 2022 was approximately $2.2 million and $2.3 million, respectively.

Amortization expense for the six months ended June 30, 2023 and June 30, 2022 was $4.3 million and $4.6 million, respectively.

11. Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consisted of the following:


	June 30, 2023		December 31, 2022

Accrued salaries, wages and related employee benefits	$	26,811	$	26,684
Contingent consideration, current portion	—		937
Accrued workers’ compensation and health benefits	3,760		3,660
Deferred revenue	9,257		7,521
Pension accrual	2,458		2,519
Right-of-use liability - Operating	10,603		10,376
Other accrued expenses	26,083		26,147
Total	$	78,972	$	77,844

Table of Contents

Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

12. Long-Term Debt

Long-term debt consisted of the following:


	June 30, 2023		December 31, 2022

Senior credit facility	$	61,150	$	65,250
Senior secured term loan, net of unamortized debt issuance costs of $0.5 million and $0.5 million, respectively	118,326		121,399

Other	4,195		4,602
Total debt	183,671		191,251
Less: Current portion	(7,550)		(7,425)
Long-term debt, net of current portion	$	176,121	$	183,826

Senior Credit Facility

Prior to entering into the Credit Agreement (defined and described below), the Company had a credit agreement with its banking group (the "Prior Credit Agreement") which provided the Company with a $150 million revolving credit facility and a $100 million term loan. The Prior Credit Agreement was most recently amended on May 19, 2021 and had a maturity date of December 12, 2023.

On August 1, 2022, the Company entered into a new credit agreement (the “Credit Agreement”) which replaced the Prior Credit Agreement and provides the Company with a $190 million 5-year committed revolving credit facility and a $125 million term loan with a balance of $119 million as of June 30, 2023. The Credit Agreement permits the Company to borrow up to $100 million in non-US dollar currencies and to use up to $20 million of the credit limit for the issuance of letters of credit. Both the revolving line of credit and the term loan under the Credit Agreement have a maturity date of July 30, 2027.

The Credit Agreement has the following key terms, conditions and financial covenants:

•Borrowings bear interest at Secured Overnight Financing Rate ("SOFR") plus a credit spread adjustment and applicable SOFR margin ranging from 1.25% to 2.75%, based upon our Total Consolidated Debt Leverage Ratio (defined below); under the Prior Credit Agreement, the margin was based upon the LIBOR margin.

◦Total Consolidated Debt Leverage Ratio means the ratio of (a) Total Consolidated Debt to (b) EBITDA (as defined in the Credit Agreement) for the trailing four consecutive fiscal quarters.

◦Total Consolidated Debt means all indebtedness (including subordinated debt) of the Company on a consolidated basis.

•The Company has the benefit of the lowest SOFR margin if its Total Consolidated Debt Leverage Ratio is equal to or less than 1.25 to 1.0, and the margin increases as the ratio increases, to the maximum margin if the ratio is greater than 3.75 to 1.0. The Credit Agreement is secured by liens on substantially all the assets of the Company and certain of its U.S subsidiaries and is guaranteed by those U.S subsidiaries.

•The Company has to maintain a Total Consolidated Debt Leverage Ratio of no more than 4.0 to 1.0 at the end of each quarter through June 30, 2023 and stepping down to a maximum permitted ratio of no more than 3.75 to 1.0 for the remainder of the term.

•The Company has to maintain a Fixed Charge Coverage Ratio of 1.25 to 1.0 for the duration of the New Credit Agreement, as defined in the Credit Agreement.

•The Credit Agreement limits the Company’s ability to, among other things, create liens, make investments, incur more indebtedness, merge or consolidate, make dispositions of property, pay dividends, make distributions to stockholders or repurchase our stock, enter into a new line of business, enter into transactions with affiliates and enter into burdensome agreements.

Table of Contents

Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

•The Credit Agreement does not limit the Company’s ability to acquire other businesses or companies except that the acquired business or company must be in the Company's line of business, the Company must be in compliance with the financial covenants on a pro forma basis after taking into account the acquisition, and the Company must provide written notice at least five business days prior to the date of an acquisition of $10 million or more.

•Quarterly payments on the term loan of $1.56 million through June 30, 2024, then increasing to $2.34 million through June 30, 2025, and to $3.12 million for each quarterly payment thereafter through maturity.

The Credit Agreement was accounted for as a modification and the Company expensed $0.8 million in unamortized capitalized debt issuance costs and fees during the three months ended September 30, 2022, which was included in selling, general and administrative expenses on the Consolidated Statements of Income (Loss). The Company incurred $1.6 million in financing costs for the Credit Agreement, of which $0.2 million of third party costs were expensed and included in selling, general and administrative expenses on the Consolidated Statements of Income (Loss) during the three months ended September 30, 2022.

As of June 30, 2023, the Company had borrowings of $179.5 million and a total of $2.9 million of letters of credit outstanding under the Credit Agreement. The Company has capitalized costs associated with debt modifications of $1.3 million as of June 30, 2023, which is included in Other assets on the Condensed Consolidated Balance Sheets and will be amortized into interest expense over the remaining term of the Credit Agreement through July 30, 2027.

As of June 30, 2023, the Company was in compliance with the terms of the Credit Agreement. The Company continuously monitors compliance with the covenants contained in its Credit Agreement.

Other debt

The Company’s other debt includes bank financing provided at the local subsidiary level used to support working capital requirements and fund capital expenditures. At June 30, 2023, there was an aggregate of approximately $4.2 million outstanding, payable at various times through 2030. Monthly payments range from $1.0 thousand to $16.0 thousand and interest rates range from 0.4% to 3.5%.

13. Fair Value Measurements

The Company performs fair value measurements in accordance with the guidance provided by ASC 820, Fair Value Measurements and Disclosures. ASC 820 defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. It also establishes a three level hierarchy that prioritizes the inputs used to measure fair value.

Financial instruments measured at fair value on a recurring basis

The fair value of contingent consideration liabilities was estimated using a discounted cash flow technique with significant inputs that are not observable in the market and thus represents a Level 3 fair value measurement as defined in ASC 820. The significant inputs in the Level 3 measurement not supported by market activity include the probability assessments of expected future cash flows related to the acquisitions, appropriately discounted considering the uncertainties associated with the obligation, and as calculated in accordance with the terms of the applicable acquisition agreements.

The following table represents the changes in the fair value of Level 3 contingent consideration:


	Six months ended June 30,
	2023		2022
Beginning balance	$	938	$	1,831

Payments	(938)		(938)

Revaluation	—		45

Ending balance	$	—	$	938

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Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

Financial instruments not measured at fair value on a recurring basis

The Company has evaluated current market conditions and borrower credit quality and has determined that the carrying value of its long-term debt approximates fair value. The fair value of the Company’s notes payable and finance lease obligations approximates their carrying amounts based on anticipated interest rates which management believes would currently be available to the Company for similar issuances of debt.

14. Commitments and Contingencies

Legal Proceedings and Government Investigations

The Company is periodically involved in lawsuits, investigations and claims that arise in the ordinary course of business. The Company cannot predict with certainty the ultimate resolution of lawsuits, investigations and claims asserted against it. Except for possible losses from the matters described below, the Company does not believe that any currently pending or threatened legal proceeding to which the Company is or is likely to become a party will have a material adverse effect on its business, results of operations, cash flows or financial condition. The costs incurred by the Company to defend lawsuits, investigations and claims and amounts the Company pays to other parties because of these matters may be covered by insurance in some circumstances.

Litigation and Commercial Claims

The Company was contracted to perform inspections of welds on various pipeline projects in Texas for a customer. As of June 30, 2023, approximately $1.4 million of past due receivables were outstanding from this customer. The customer provided the Company with notice in December 2019, alleging that the Company’s inspection of 66 welds (out of approximately 16,000 welds inspected) were not in compliance with the contract, claimed approximately $7.6 million in damages, and requested that the Company pay these damages and any other damages incurred. The Company filed a lawsuit in the District Court of Bexar County, Texas, 37th Judicial District on December 17, 2019, in an action captioned Mistras Group, Inc. v. Epic Y-Grade Pipeline LP, to recover the $1.4 million and other amounts due to the Company. The customer filed a counterclaim on March 6, 2020, alleging breach of contract and seeking recovery of its alleged damages. On April 25, 2023, the Company settled all claims related to this litigation. In July 2023, the parties executed a settlement agreement, resulting in a payment by the Company of $0.3 million (paid in July 2023 and which the Company estimates is significantly less than the cost of going to trial) and a release of its claim for $1.4 million of associated past due receivables which were fully reserved for in prior periods. In the year ended December 31, 2022, the Company recorded a charge of $0.1 million for a potential loss from this matter. The Company recorded a reserve in the amount of $1.4 million during the twelve months ended December 31, 2019 for these past due receivables.

Two proceedings were filed in California Superior Court for the County of Los Angeles regarding alleged violations of the California Labor Code. Both cases were captioned Justin Price v. Mistras Group, Inc., one being a purported class action lawsuit on behalf of current and former Mistras employees in California, filed on June 10, 2020, and the other was filed on September 18, 2020, on behalf of the State of California under the California Private Attorney General Act on the basis of the same alleged violations. The two cases were consolidated and requested payment of all damages, including unpaid wages, and various fines and penalties available under California law. On May 4, 2021, the Company agreed to a settlement of all claims in the cases, which was more formally documented pursuant to a settlement agreement completed October 5, 2021, as amended as of May 3, 2022. Pursuant to the settlement, the Company agreed to pay $2.3 million to resolve the allegations in these proceedings and to be responsible for the employer portion of payroll taxes on the amount of the settlement allocated to wages. The settlement as agreed upon by the parties received final court approval on September 26, 2022, and the Company paid the settlement proceeds and related payroll taxes to the claims administrator in the fourth quarter of 2022. The Company recorded expense of approximately $1.6 million during the three months ended March 31, 2021 related to this settlement, which is in addition to expense of $0.8 million the Company recorded during the three months ended December 31, 2020.

Pension Related Contingencies

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Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

Certain of Company’s subsidiaries had significant reductions in their unionized workers in 2018. The collective bargaining agreements for the employees of these subsidiaries required contributions for these employees to two national multi-employer pension funds. The reduction in employees resulted in the subsidiary incurring a complete withdrawal to one of the pension funds under the Employee Retirement Income Security Act of 1974 ("ERISA"), which was fully satisfied in 2019. The Company has determined that the subsidiary is likely to incur partial or complete withdrawal liability to the other pension fund. The balance of the estimated total amount of this potential liability as of June 30, 2023 is approximately $2.5 million, which were incurred in 2018 and 2019.

Severance and labor disputes

During December 2019, the Company executed an agreement to sell the rights of certain customer "staff leasing" contracts related to its German subsidiary for total consideration of approximately $0.1 million, effective January 1, 2020. No other assets or liabilities other than those employee benefits related to employees working on the customer contracts were included in the sale. As of June 30, 2023, the Company has approximately $0.1 million of accrued estimated severance payment obligations, which takes into account the Company’s estimate with respect to the employees that have been or will be transitioned to the German subsidiaries' other customers. The $0.2 million of estimated obligations is net of $0.4 million in payments made and $1.0 million in reversals due to employees being transitioned to customer contracts.

15. Segment Disclosure

The Company’s three operating segments are:

•North America. This segment provides asset protection solutions predominantly in North America, with the largest concentration in the United States, followed by Canada, consisting primarily of NDT, inspection, mechanical and engineering services that are used to evaluate the safety, structural integrity and reliability of critical energy, industrial and public infrastructure and commercial aerospace components. Software, digital and data services are included in this segment.

Costs incurred for general corporate services, including finance, legal, and certain other costs that are provided to the segments are reported within Corporate and eliminations. Sales to the International segment from the Products and Systems segment and subsequent sales by the International segment of the same items are recorded and reflected in the operating performance of both segments. Additionally, engineering charges and royalty fees charged to the North America and International segments by the Products and Systems segment are reflected in the operating performance of each segment.

The accounting policies of the reportable segments are the same as those described in Note 1-Description of Business and Basis of Presentation. Segment income from operations is one of the primary performance measures used by the chief operating decision maker, to assess the performance of each segment and make resource allocation decisions. Certain general and administrative costs such as human resources, information technology and training are allocated to the segments. Segment income from operations excludes interest and other financial charges and income taxes. Corporate and other assets are comprised principally of cash, deposits, property, plant and equipment, domestic deferred taxes, deferred charges and other assets. Corporate loss from operations consists of administrative charges related to corporate personnel and other charges that cannot be readily identified for allocation to a particular segment.

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Mistras Group, Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)

Selected consolidated financial information by segment for the periods shown was as follows: (with intercompany transactions eliminated in Corporate and eliminations)


	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022
Revenue
North America	$	145,550	$	149,528	$	282,482	$	282,474
International	30,277		29,610		59,684		57,748
Products and Systems	3,329		2,652		7,068		5,588
Corporate and eliminations	(3,126)		(2,759)		(5,188)		(5,117)
	$	176,030	$	179,031	$	344,046	$	340,693


	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022
Gross profit
North America	$	39,679	$	42,954	$	76,316	$	73,479
International	8,398		9,440		15,766		17,630
Products and Systems	1,614		1,157		3,676		2,325
Corporate and eliminations	31		7		41		16
	$	49,722	$	53,558	$	95,799	$	93,450

Income (loss) from operations by operating segment includes intercompany transactions, which are eliminated in Corporate and eliminations.


	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022
Income (loss) from operations
North America	$	12,338	$	14,855	$	21,715	$	18,615
International	507		1,580		(61)		1,864
Products and Systems	94		(420)		478		(1,002)
Corporate and eliminations	(9,046)		(6,439)		(20,067)		(14,600)
	$	3,893	$	9,576	$	2,065	$	4,877


	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022
Depreciation and amortization
North America	$	6,370	$	6,166	$	12,727	$	12,759
International	1,889		1,919		3,748		3,977
Products and Systems	87		120		343		337
Corporate and eliminations	(37)		(77)		(96)		(138)
	$	8,309	$	8,128	$	16,722	$	16,935

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Notes to Unaudited Condensed Consolidated Financial Statements

(tabular dollars and shares in thousands, except per share data)


	June 30, 2023		December 31, 2022
Intangible assets, net
North America	$	40,650	$	43,260
International	3,758		4,422
Products and Systems	1,267		1,208
Corporate and eliminations	470		125
	$	46,145	$	49,015


	June 30, 2023		December 31, 2022
Total assets
North America	$	408,583	$	407,779
International	105,751		104,531
Products and Systems	13,127		12,408
Corporate and eliminations	13,485		10,186
	$	540,946	$	534,904

Refer to Note 2–Revenue, for revenue by geographic area for the three and six months ended June 30, 2023 and 2022.

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Mistras Group, Inc. and Subsidiaries

Management's Discussion and Analysis of Financial Condition and Results of Operations

(tabular dollars are in thousands)

ITEM 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

The following Management’s Discussion and Analysis (“MD&A”) provides a discussion of our results of operations and financial position for the three and six months ended June 30, 2023 and 2022. The MD&A should be read together with our Unaudited Condensed Consolidated Financial Statements and related notes included in Item 1 in this Quarterly Report on Form 10-Q and our audited consolidated financial statements and related notes included in our Annual Report on Form 10-K for the year ended December 31, 2022, (“2022 Annual Report”). Unless otherwise specified or the context otherwise requires, “Mistras,” “the Company,” “we,” “us” and “our” refer to Mistras Group, Inc. and its consolidated subsidiaries. The MD&A includes the following sections:

•Forward-Looking Statements

•Overview

•Note about Non-GAAP Measures

•Consolidated Results of Operations

•Liquidity and Capital Resources

•Critical Accounting Policies and Estimates

Forward-Looking Statements

This report on Form 10-Q contains “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, and Section 21E of the Securities Exchange Act of 1934 (“Exchange Act”). Such forward-looking statements include those that express plans, anticipation, intent, contingency, goals, targets or future development and/or otherwise are not statements of historical fact. These forward-looking statements are based on our current expectations and projections about future events and they are subject to risks and uncertainties known and unknown that could cause actual results and developments to differ materially from those expressed or implied in such statements.

In some cases, you can identify forward-looking statements by terminology, such as “goals,” or “expects,” “anticipates,” “intends,” “plans,” “believes,” “seeks,” “estimates,” “may,” “could,” “should,” “would,” “predicts,” “appears,” “projects,” or the negative of such terms or other similar expressions. You are urged not to place undue reliance on any such forward-looking statements, any of which may turn out to be wrong due to inaccurate assumptions, various risks, uncertainties or other factors known and unknown. Factors that could cause or contribute to differences in results and outcomes from those in our forward-looking statements include, without limitation, those discussed in the “Business—Forward-Looking Statements,” and “Risk Factors” sections of our 2022 Annual Report as well as those discussed in this Quarterly Report on Form 10-Q and in our other filings with the SEC. In addition, there are various developments discussed below which could create risks and uncertainty about our business, results of operations or liquidity.

Overview

The Company is a leading “one source” multinational provider of integrated technology-enabled asset protection solutions helping to maximize the safety and operational uptime for civilization’s most critical industrial and civil assets.

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Management's Discussion and Analysis of Financial Condition and Results of Operations

(tabular dollars are in thousands)

OneSuite™, which serves as an ecosystem platform, pulling together all of the Company’s software and data services capabilities, for the benefit of its customers.

Our operations consist of three reportable segments: North America (which we previously referred to as our Services segment), International, and Products and Systems.

Our operations consist of three reportable segments: North America, International, and Products and Systems.

•North America provides asset protection solutions predominantly in North America, with the largest concentration in the United States, followed by Canada, consisting primarily of NDT, inspection, mechanical and engineering services that are used to evaluate the structural integrity and reliability of critical energy, industrial and public infrastructure and commercial aerospace components. Software, digital and data services are included in this segment.

•International offers services, products and systems similar to those of the other segments to select markets within Europe, the Middle East, Africa, Asia and South America, but not to customers in China and South Korea, which are served by the Products and Systems segment.

•Products and Systems designs, manufactures, sells, installs and services the Company’s asset protection products and systems, including equipment and instrumentation, predominantly in the United States.

Given the role our solutions play in enhancing the safe and efficient operation of infrastructure, we have historically provided a majority of our solutions to our customers on a regular, recurring basis. We perform these services largely at our customers’ facilities, while primarily servicing our aerospace customers at our network of state-of-the-art, in-house laboratories. These solutions typically include NDT and inspection services, and can also include a wide range of mechanical services, including heat tracing, pre-inspection insulation stripping, coating applications, re-insulation, engineering assessments and long-term condition-monitoring. Under this business model, many customers outsource their inspection to us on a “run and maintain” basis. We have established long-term relationships as a critical solutions provider to many of the leading companies with asset-intensive infrastructure in our target markets. These markets include companies in the oil and gas, aerospace and defense, industrials, power generation and transmission (including alternative and renewable energy), other process industries and infrastructure, research and engineering and other industries.

We have focused on providing our advanced asset protection solutions to our customers using proprietary, technology-enabled software and testing instruments, including those developed by our Products and Systems segment. We have made numerous acquisitions in an effort to grow our base of experienced, certified personnel, expand our service lines and technical capabilities, increase our geographical reach, complement our existing offerings, and leverage our fixed costs. We have increased our capabilities and the size of our customer base through the development of applied technologies and managed support services, organic growth and the integration of acquired companies. These acquisitions have provided us with additional service lines, technologies, resources and customers which we believe will enhance our advantages over our competition.

We believe long-term growth can be realized in our target markets. Our level of business and financial results are impacted by world-wide macro- and micro-economic conditions generally, as well as those within our target markets. Among other things, we expect the timing of our oil and gas customers inspection spend to be impacted by oil price fluctuations.

We have continued providing our customers with an innovative asset protection software ecosystem through our MISTRAS OneSuite platform. The software platform offers functions of MISTRAS' popular software and services brands as integrated apps on a cloud environment. OneSuite serves as a single access portal for customers' data activities and provides access to 90 plus applications being offered on one centralized platform.

We have continued to develop new technologies to provide monitoring of wind blade integrity through our Sensoria™ tool. Sensoria helps provide real-time monitoring and damage detection of wind turbine blades and allows our customers to maximize uptime, performance and safety of wind turbine blades. This tool provides additional growth and expansion of our

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Mistras Group, Inc. and Subsidiaries

Management's Discussion and Analysis of Financial Condition and Results of Operations

(tabular dollars are in thousands)

capabilities to serve both new and existing wind turbines and greatly enhances our product offerings within the renewable energy industry.

Recent Developments

Issues related to the COVID-19 coronavirus (COVID-19) pandemic have subsided significantly during 2022 and are not impacting our business in any material manner during 2023. The Russian-Ukrainian war is creating disruption in the oil and gas market and the supply chain in general, which is resulting in some disruption to our business operations primarily in Europe due to increased energy costs.

Earlier in 2022, the Company eliminated substantially all of the COVID related cost reduction initiatives undertaken in 2020, including re-installment of the savings plan employer match and increasing wages back to pre-pandemic amounts. Our cash position and liquidity remains strong. As of June 30, 2023, the cash balance was approximately $18.0 million and our Credit Agreement provides us with significant liquidity.

In April 2021, the Biden Administration announced aggressive initiatives to battle climate change, which includes potential plans for a significant reduction in the use of fossil fuels and a transition to electric vehicles and increased use of alternative energy. Any legislation or regulations that may be adopted to implement these measures may negatively impact our customers in the oil and gas market over the long-term, which presently is our largest market, although this initiative will likely benefit the alternative energy market, such as wind energy, for which we provide products and services. At this time, it is difficult to determine the magnitude and timing of the impact that climate change initiatives and legislation, if any, will have on these markets and the resulting impact on our business and operational results.

The Company is currently unable to predict with certainty the overall impact that the factors discussed above and the effect of inflationary pressures may have on its business, results of operations or liquidity or in other ways which the Company cannot yet determine. The Company’s European operations are currently experiencing higher energy costs, among other increased costs, due in part to the Russian-Ukrainian war. The Company will continue to monitor market conditions and respond accordingly.

Note About Non-GAAP Measures

The Company prepares its consolidated financial statements in accordance with U.S. GAAP. In this MD&A under the heading "Income (loss) from Operations", the non-GAAP financial performance measure "Income (loss) from operations before special items” is used for each of our three operating segments, the Corporate segment and the "Total Company", with tables reconciling the measure to a financial measure under GAAP. This presentation excludes from "Income (loss) from Operations" (a) transaction expenses related to acquisitions, such as professional fees and due diligence costs, (b) the net changes in the fair value of acquisition-related contingent consideration liabilities, (c) impairment charges, (d) reorganization and other costs, which includes items such as severance, labor relations matters and asset and lease termination costs and (e) other special items. These adjustments have been excluded from the GAAP measure because these expenses and credits are not related to our or any individual segment's core business operations. The acquisition related costs and special items can be a net expense or credit in any given period. Our management uses this non-GAAP measure as a measure of operating performance and liquidity to assist in comparing performance from period to period on a consistent basis, as a measure for planning and forecasting overall expectations and for evaluating actual results against such expectations. We believe investors and other users of our financial statements benefit from the presentation of this non-GAAP measure in evaluating our performance. Income (loss) before special items excludes the identified adjustments, which provides additional tools to compare our core business operating performance on a consistent basis and measure underlying trends and results in our business. Income (loss) before special items is not used to determine incentive compensation for executives or employees, nor is it a replacement for the reported GAAP financial performance and/or necessarily comparable to the non-GAAP financial measures of other companies.

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Mistras Group, Inc. and Subsidiaries

Management's Discussion and Analysis of Financial Condition and Results of Operations

(tabular dollars are in thousands)

Results of Operations

Condensed consolidated results of operations for the three and six months ended June 30, 2023 and 2022 were as follows:


	Three months ended June 30,						Six months ended June 30,
	2023			2022			2023			2022
Revenues	$	176,030		$	179,031		$	344,046		$	340,693
Gross profit	49,722			53,558			95,799			93,450
Gross profit as a % of Revenue	28.2		%	29.9		%	27.8		%	27.4		%


Income from operations	3,893			9,576			2,065			4,877
Income from Operations as a % of Revenue	2.2		%	5.3		%	0.6		%	1.4		%

Income before provision (benefit) for income taxes	35			7,459			(5,862)			822

Net Income (loss)	376			4,666			(4,602)			(687)

Net Income (loss) attributable to Mistras Group, Inc.	$	337		$	4,643		$	(4,649)		$	(720)

Revenue

Revenue was $176.0 million for the three months ended June 30, 2023, a decrease of $3.0 million, or 1.7%, compared with the three months ended June 30, 2022. Revenue for the six months ended June 30, 2023 was $344.0 million, an increase of $3.4 million, or 1.0%, compared with the six months ended June 30, 2022.

Revenue by segment for the three and six months ended June 30, 2023 and 2022 was as follows:


	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022

Revenue
North America	$	145,550	$	149,528	$	282,482	$	282,474
International	30,277		29,610		59,684		57,748
Products and Systems	3,329		2,652		7,068		5,588
Corporate and eliminations	(3,126)		(2,759)		(5,188)		(5,117)
	$	176,030	$	179,031	$	344,046	$	340,693

Three Months

In the three months ended June 30, 2023, total revenue decreased (1.7)% versus the prior year comparable period due predominantly to decreased sales volume as compared to the prior period. North America segment revenue decreased 2.7% due to decreases in sales volume in our oil and gas and aerospace and defense end markets. International segment revenue increased 2.3%, due predominantly to low single-digit organic growth and low single-digit favorable foreign exchange rates impact. Products and Systems segment revenue increased 25.5%, due to increased sales volume as compared to the prior period.

Oil and gas customer revenue comprised approximately 60% and 57% of total revenue for the three months ended June 30, 2023 and 2022, respectively. Aerospace and defense customer revenue comprised approximately 11% and 13% of total revenue for the three months ended June 30, 2023 and 2022, respectively. The Company’s top ten customers comprised approximately 36% of total revenue for the three months ended June 30, 2023, as compared to 33% for the three months ended June 30, 2022, with no customer accounting for 10% or more of total revenue in either three-month period.

Six months

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Mistras Group, Inc. and Subsidiaries

Management's Discussion and Analysis of Financial Condition and Results of Operations

(tabular dollars are in thousands)

In the six months ended June 30, 2023, total revenue increased 1.0% versus the comparable prior period. The increase was due to organic growth in our core business, partially offset by an unfavorable revenue impact from foreign exchange rates. Our North America segment revenue was flat versus the prior year. International segment revenue increased 3.4% due to mid single-digit organic growth offset by low single-digit unfavorable revenue impact from foreign exchange rates. Products and Systems segment revenue increased by 26.5% due to increased sales volume as compared to the prior period.

Oil and gas customer revenue comprised approximately 60% and 57% of total revenue for the six months ended June 30, 2023 and 2022, respectively. Aerospace and defense customer revenue comprised approximately 11% and 12% of total revenue for the six months ended June 30, 2023 and 2022, respectively. The Company’s top ten customers comprised approximately 35% of total revenue for the six months ended June 30, 2023, as compared to 33% for the six months ended June 30, 2022, with no customer accounting for 10% or more of total revenue in either six-month period.

The Company has retrospectively reclassified certain Oil and Gas sub-category revenues for each quarterly period in 2022 in order to conform the classification with the current year presentation. Total Oil and Gas sub-category revenues were unchanged in total in each quarterly period and for the full year ended December 31, 2022. The table below presents the reclassified balances for each quarterly period in the prior year.


	2022 Quarterly Revenues
	Three months ended March 31,		Three months ended June 30,		Three months ended September 30,		Three months ended December 31,

Oil and Gas Revenue by sub-category
Upstream	$	36,397	$	38,051	$	35,173	$	36,435
Midstream	20,427		27,153		25,885		23,540
Downstream	37,399		36,061		35,973		35,258
Total	$	94,223	$	101,265	$	97,031	$	95,233


	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022

Oil and Gas Revenue by sub-category
Upstream	$	41,961	$	38,051	$	78,900	$	74,448
Midstream	27,293		27,153		48,524		47,580
Downstream	36,870		36,061		77,365		73,460
Total	$	106,124	$	101,265	$	204,789	$	195,488

Oil and gas upstream customer revenue increased approximately $4.5 million, or 6%, for the six months ended June 30, 2023 as compared to the six months ended June 30, 2022, and $3.9 million, or 10% for the three months ended June 30, 2023 as compared to the three months ended June 30, 2022 due to increased exploration operations and market share gains compared to the prior period.

Midstream customer revenues increased approximately $0.9 million, or 2%, for the six months ended June 30, 2023 as compared to the six months ended June 30, 2022, and $0.1 million, or 1% for the three months ended June 30, 2023 as compared to the three months ended June 30, 2022 due to comparable pipe inspection services performed in both years.

Downstream customer revenue increased $3.9 million, or 5%, for the six months ended June 30, 2023 as compared to the six months ended June 30, 2022, and $0.8 million, or 2% for the three months ended June 30, 2023 as compared to the three months ended June 30, 2022 due to increased sales volume at customer refineries and increased customer turnarounds.

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Management's Discussion and Analysis of Financial Condition and Results of Operations

(tabular dollars are in thousands)


	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022

Revenue by type
Field Services	$	116,104	$	121,364	$	225,784	$	226,859
Shop Laboratories	14,244		9,916		27,376		23,005
Data Solutions	18,107		16,236		34,919		28,635
Other	27,575		31,515		55,967		62,194
Total	$	176,030	$	179,031	$	344,046	$	340,693

Field Services revenues are comprised of revenue derived primarily by technicians performing asset inspections and maintenance services for our customers at locations other than Mistras properties. Field Services revenue decreased by $1.1 million for the six months ended June 30, 2023 as compared to the six months ended June 30, 2022, and $5.3 million, for the three months ended June 30, 2023 as compared to the three months ended June 30, 2022. The decrease in both periods was due to decreased sales volume related to a delayed defense contract and decreased revenues in our power generation end market for our North America and International segments.

Shop Laboratory revenues are comprised of quality assurance inspections of components and materials at our Mistras in house laboratory facilities. Shop revenues increased by $4.4 million for the six months ended June 30, 2023 as compared to the six months ended June 30, 2022, and $4.3 million, for the three months ended June 30, 2023 as compared to the three months ended June 30, 2022. Shop revenues increased in both periods as compared to the prior year quarter due to increased sales volume related to our commercial aerospace and industrials end markets.

Data Solutions revenues are comprised of revenue derived from data software sales & subscriptions, implementation services and analytics that offer insights and recommendations to improve asset integrity. Data Solutions revenue is derived from work performed by Mistras employees in our facilities, or at customer locations, using our propriety portfolio of software applications. Data Solutions revenue increased by $6.3 million for the six months ended June 30, 2023 as compared to the six months ended June 30, 2022, and $1.9 million, for the three months ended June 30, 2023 as compared to the three months ended June 30, 2022 due primarily to increased sales volume within PCMS, Onstream and other Data Solutions offerings within our North America segment.

Other revenues are comprised of locations that perform both asset inspection services and testing of components and materials at in house Mistras laboratories. Other revenues decreased by $6.2 million for the six months ended June 30, 2023 as compared to the six months ended June 30, 2022, and $3.9 million, for the three months ended June 30, 2023 as compared to the three months ended June 30, 2022. Other revenues decreased primarily due to decreased sales within the aerospace and defense sector within the North America and International segments.

Gross Profit

Gross profit decreased by $(3.8) million, or (7.2)%, in the three months ended June 30, 2023 versus the prior year comparable period, on a decrease in revenue of (1.7)%.

Gross profit increased by $2.3 million, or 2.5%, in the six months ended June 30, 2023 on an increase in revenue of 1.0%.

Gross profit by segment for the three and six months ended June 30, 2023 and 2022 was as follows:

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Management's Discussion and Analysis of Financial Condition and Results of Operations

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Management's Discussion and Analysis of Financial Condition and Results of Operations

(tabular dollars are in thousands)


	Three months ended June 30,						Six months ended June 30,
	2023			2022			2023			2022

Gross profit
North America	$	39,679		$	42,954		$	76,316		$	73,479
% of segment revenue	27.3		%	28.7		%	27.0		%	26.0		%
International	8,398			9,440			15,766			17,630
% of segment revenue	27.7		%	31.9		%	26.4		%	30.5		%
Products and Systems	1,614			1,157			3,676			2,325
% of segment revenue	48.5		%	43.6		%	52.0		%	41.6		%
Corporate and eliminations	31			7			41			16
	$	49,722		$	53,558		$	95,799		$	93,450
% of total revenue	28.2		%	29.9		%	27.8		%	27.4		%

Three Months

Gross profit margin was 28.2% and 29.9% for the three-month periods ended June 30, 2023 and 2022, respectively. North America segment realized a decline of (1.4)% in gross profit margin to 27.3% during the three months ended June 30, 2023. This was primarily due to unabsorbed overhead costs associated with lower revenues, as compared to the prior year period. International segment realized a decline of (4.2)% in gross profit margin to 27.7% during the three months ended June 30, 2023 due primarily to increased inflationary costs as compared to the prior year period. Products and Systems segment gross margin realized an increase of 4.9% to 48.5% during the three months ended June, 2023 due to favorable sales mix.

Six months

Gross profit margin was 27.8% and 27.4% for the six months ended June 30, 2023 and 2022, respectively. Gross profit margin increased due to favorable sales mix.

Operating Expenses

Operating expenses for the three and six months ended June 30, 2023 and 2022 was as follows:


	Three months ended June 30,						Six months ended June 30,
	2023			2022			2023			2022

Operating Expenses
Selling, general and administrative expenses	$	41,484		$	40,856		$	84,305		$	82,777
Bad debt provision for troubled customers, net of recoveries	—			289			—			289
Reorganization and other costs	1,240			(180)			3,316			(65)


Research and engineering	511			522			991			1,073
Depreciation and amortization	2,443			2,635			4,969			5,430

Legal settlement and insurance recoveries, net	150			(153)			150			(994)
Acquisition-related expense, net	1			13			3			63
	$	45,829		$	43,982		$	93,734		$	88,573
% of total revenue	26.0		%	24.6		%	27.2		%	26.0		%

Three Months

Table of Contents

Mistras Group, Inc. and Subsidiaries

Management's Discussion and Analysis of Financial Condition and Results of Operations

(tabular dollars are in thousands)

Total operating expenses increased $1.8 million for the three months ended June 30, 2023 compared to the three months ended June 30, 2022. Selling, general and administrative expenses increased $0.6 million during the three months ended June 30, 2023 compared to the three months ended June 30, 2022, due to unfavorable foreign currency exchange. Depreciation and amortization decreased $(0.2) million during the three months ended June 30, 2023 compared to the three months ended June 30, 2022. During the three months ended June 30, 2023, $1.2 million of reorganization and other related costs were incurred, compared to the prior period due to the Company's on-going efficiency and productivity initiatives.

Six months

Operating expenses increased $5.2 million, for the six months ended June 30, 2023 compared to the six months ended June 30, 2022. Selling, general, and administrative expenses increased $1.5 million during the six months ended June 30, 2023 compared to the six months ended June 30, 2022 primarily due to unfavorable foreign currency exchange and increased inflationary costs. Reorganization and other costs for the six months ended June 30, 2023 compared to the six months ended June 30, 2022 increased $3.4 million due to professional fees and restructuring charges associated with changes in the Company's organizational structure. Depreciation and amortization decreased $(0.5) million during the six months ended June 30, 2023 compared to the six months ended June 30, 2022.

Table of Contents

Mistras Group, Inc. and Subsidiaries

Management's Discussion and Analysis of Financial Condition and Results of Operations

(tabular dollars are in thousands)

Income (loss) from Operations

The following table shows a reconciliation of the income (loss) from operations to income (loss) before special items for each of our three segments, Corporate and Eliminations and the Company in total:


	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022

North America:
Income from operations (GAAP)	$	12,338	$	14,855	$	21,715	$	18,615
Bad debt provision for troubled customers, net of recoveries	—		289		—		289


Reorganization and other costs	478		1		539		28
Legal settlement and insurance recoveries, net	150		—		150		(841)
Acquisition-related expense, net	—		—		—		45
Income from operations before special items (non-GAAP)	$	12,966	$	15,145	$	22,404	$	18,136
International:
Income (loss) from operations (GAAP)	$	507	$	1,580	$	(61)	$	1,864


Reorganization and other costs	88		(187)		195		(99)

Income from operations before special items (non-GAAP)	$	595	$	1,393	$	134	$	1,765
Products and Systems:
Income (loss) from operations (GAAP)	$	94	$	(420)	$	478	$	(1,002)


Income (loss) from operations (GAAP)	$	94	$	(420)	$	478	$	(1,002)
Corporate and Eliminations:
Loss from operations (GAAP)	$	(9,046)	$	(6,439)	$	(20,067)	$	(14,600)

Reorganization and other costs	674		6		2,582		6
Acquisition-related expense, net	1		13		3		18
Legal settlement and insurance recoveries, net	—		(153)		—		(153)
Loss from operations before special items (non-GAAP)	$	(8,371)	$	(6,573)	$	(17,482)	$	(14,729)
Total Company:
Income from operations (GAAP)	$	3,893	$	9,576	$	2,065	$	4,877
Bad debt provision for troubled customers, net of recoveries	—		289		—		289



Reorganization and other costs	1,240		(180)		3,316		(65)

Legal settlement and insurance recoveries, net	150		(153)		150		(994)
Acquisition-related expense, net	1		13		3		63
Income from operations before special items (non-GAAP)	$	5,284	$	9,545	$	5,534	$	4,170

See section Note About Non-GAAP Measures in this report for an explanation of the use of non-GAAP measurements.

Table of Contents

Mistras Group, Inc. and Subsidiaries

Management's Discussion and Analysis of Financial Condition and Results of Operations

(tabular dollars are in thousands)

Three Months

For the three months ended June 30, 2023, income from operations (GAAP) decreased $(5.7) million, compared with the three months ended June 30, 2022, while income before special items (non-GAAP) decreased $(4.3) million. As a percentage of revenue, income before special items decreased by 230 basis points to 3.0% in the three months ended June 30, 2023 from 5.3% in the three months ended June 30, 2022.

Six months

For the six months ended June 30, 2023, income from operations (GAAP) decreased $(2.8) million, compared with the six months ended June 30, 2022, while income from operations before special items (non-GAAP) increased $1.4 million. As a percentage of revenue, income from operations before special items increased by 40 basis points to 1.6% in the six months ended June 30, 2023 from 1.2% in the six months ended June 30, 2022. During the six months ended June 30, 2023, the Company experienced overall organic growth offset by foreign currency headwinds.

Interest Expense

Interest expense was approximately $3.9 million and $2.1 million for the three months ended June 30, 2023 and 2022, respectively. Interest expense was approximately $7.9 million and $4.1 million for the six months ended June 30, 2023 and 2022, respectively. The increase in the three months ended June 30, 2023 was due to an increase in interest rates compared to the prior year quarter. The increase in interest expense for the six months ended June 30, 2023 compared to the prior year period was due to an increase in the interest rates, partially offset by a decrease in outstanding borrowings.

Income Taxes

Our effective income tax rate was approximately (974.3)% and 37.4% for the three months ended June 30, 2023 and 2022, respectively. Our effective income tax rate was approximately 21.5% and 183.6% for the six months ended June 30, 2023 and 2022, respectively.

The effective income tax rate for the three months ended June 30, 2023 was lower than the statutory rate primarily due to the impact of a favorable discrete item related to stock compensation. The effective income tax rate for the three months ended June 30, 2022 was higher than the statutory rate primarily due to a $0.7 million valuation allowance recorded on a foreign jurisdiction.

Income tax expense varies as a function of pre-tax income and the level of non-deductible expenses, such as certain amounts of meals and entertainment expense, valuation allowances, and other permanent differences. It is also affected by discrete items that may occur in any given year but are not consistent from year to year. Our effective income tax rate may fluctuate over the next few years due to many variables including the amount and future geographic distribution of our pre-tax income, changes resulting from our acquisition strategy, and increases or decreases in our permanent differences.

Table of Contents

Mistras Group, Inc. and Subsidiaries

Management's Discussion and Analysis of Financial Condition and Results of Operations

(tabular dollars are in thousands)

Liquidity and Capital Resources

Cash flows are summarized in the table below:


	Six months ended June 30,
	2023		2022

Net cash provided by (used in):
Operating activities	$	18,321	$	7,809
Investing activities	(9,811)		(6,499)
Financing activities	(11,187)		(5,056)
Effect of exchange rate changes on cash	188		(1,755)
Net change in cash and cash equivalents	$	(2,489)	$	(5,501)

Cash Flows from Operating Activities

During the six months ended June 30, 2023, cash provided by operating activities was $18.3 million, representing a year-on-year increase of $10.5 million, or 135%. The increase was primarily attributable to improved days sales outstanding in the current year period.

Cash Flows from Investing Activities

During the six months ended June 30, 2023, cash used in investing activities was $9.8 million, compared to $6.5 million net cash used in investing activities for the six months ended June 30, 2022. The change was primarily attributable to capital expenditures related to property, plant and equipment during the current period as compared to the prior period.

Cash Flows from Financing Activities

Net cash used in financing activities was $11.2 million for the six months ended June 30, 2023, compared to net cash used in financing activities of $5.1 million for the six months ended June 30, 2022. During the six months ended June 30, 2023, net repayments of debt were approximately $6.3 million higher as compared to 2022.

Effect of Exchange Rate Changes on Cash and Cash Equivalents

The effect of exchange rate changes on our cash and cash equivalents was an increase of $0.2 million in the six months ended June 30, 2023, compared to a decrease of $(1.8) million for the six months ended June 30, 2022. The primary driver of the change was foreign currency fluctuations related to the Euro and the US Dollar.

Cash Balance and Credit Facility Borrowings

As of June 30, 2023, we had cash and cash equivalents totaling $18.0 million and $124.8 million of unused commitments under our Credit Agreement with borrowings of $179.5 million and $2.9 million of letters of credit outstanding. We finance operations primarily through our existing cash balances, cash collected from operations, bank borrowings and capital lease financing. We believe these sources are sufficient to fund our operations for the foreseeable future.

As of June 30, 2023, we were in compliance with the terms of the Credit Agreement and will continuously monitor our compliance with the covenants contained in the Credit Agreement.

The terms of our Credit Agreement are described in Note 12-Long-Term Debt of the Notes to the Unaudited Condensed Consolidated Financial Statements, under the heading "Senior Credit Facility".

Table of Contents

Contractual Obligations

There have been no significant increases in our contractual obligations and outstanding indebtedness as disclosed in the 2022 Annual Report.

Off-balance Sheet Arrangements

During the six months ended June 30, 2023, we did not have any relationships with unconsolidated entities or financial partnerships, such as entities often referred to as structured finance or special purpose entities, which would have been established for the purpose of facilitating off-balance sheet arrangements or other contractually narrow or limited purposes.

Critical Accounting Policies and Estimates

There have been no significant changes to our critical accounting policies and estimates from the information provided in Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations,” included in the 2022 Annual Report.

ITEM 3. Quantitative and Qualitative Disclosures about Market Risk

There have been no significant changes to our quantitative and qualitative disclosures about market risk as discussed in Part II, Item 7A “Quantitative and Qualitative Disclosures About Market Risk,” included in the 2022 Annual Report.

ITEM 4. Controls and Procedures

Evaluation of Disclosure Controls and Procedures

Pursuant to Rule 13a-15(b) under the Exchange Act, our management carried out an evaluation, under the supervision and with the participation of our President and Chief Executive Officer and our Executive Vice President, Chief Financial Officer and Treasurer, of the effectiveness of the design and operation of our disclosure controls (as defined in Rule 13a-15(e) of the Exchange Act) and procedures. Based upon that evaluation, our President and Chief Executive Officer and our Executive Vice President, Chief Financial Officer and Treasurer concluded that, as of June 30, 2023, our disclosure controls and procedures were effective.

Changes in Internal Control over Financial Reporting

There have been no changes in our internal control over financial reporting during the quarter ended June 30, 2023 that materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

Table of Contents

PART II—OTHER INFORMATION

ITEM 1. Legal Proceedings

See Note 14-Commitments and Contingencies to the Notes to Unaudited Condensed Consolidated Financial Statements included in this Quarterly Report for a description of our legal proceedings. There have been no material developments with regard to any matters disclosed under Part I, Item 3 "Legal Proceedings" in our 2022 Annual Report, except as disclosed in such Note 14-Commitments and Contingencies.

ITEM 1.A. Risk Factors

In addition to the other information set forth in this Quarterly Report, you should carefully consider the risk factors discussed under the “Risk Factors” section included in our 2022 Annual Report. Except as described below, there have been no material changes to the risk factors previously disclosed in the 2022 Annual Report.

ITEM 2. Unregistered Sale of Equity Securities and Use of Proceeds

(a) Sales of Unregistered Securities

None.

(b) Use of Proceeds from Public Offering of Common Stock

None.

The following table sets forth the shares of our common stock we acquired during the quarter as a result of the surrender of shares by employees to satisfy tax withholding obligations in connection with the vesting of restricted stock units.


Month Ending	Total Number of Shares (or Units) Purchased	Average Price Paid per Share (or Unit)
April 30, 2023	30,403	$	7.26
May 31, 2023	—	$	—
June 30, 2023	—	$	—

ITEM 3. Defaults Upon Senior Securities

None.

ITEM 4. Mine Safety Disclosures

Not applicable.

ITEM 5. Other Information

None.

Table of Contents

ITEM 6. Exhibits


Exhibit No.						Description





31.1						Certification of Chief Executive Officer pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934.

31.2						Certification of Chief Financial Officer pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934.

32.1						Certification pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.

101.INS						Inline XBRL Instance Document

101.SCH						Inline XBRL Schema Document

101.CAL						Inline XBRL Calculation Linkbase Document

101.LAB						Inline XBRL Labels Linkbase Document

101.PRE						Inline XBRL Presentation Linkbase Document

101.DEF						Inline XBRL Definition Linkbase Document

104						Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101).

_________________

Signatures

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.


			MISTRAS GROUP, INC.

			By:			/s/ Edward J. Prajzner
						Edward J. Prajzner
						Executive Vice President, Chief Financial Officer and Treasurer
						(Principal Financial and Accounting Officer and duly authorized officer)

Date: August 7, 2023

Exhibit 31.1

CERTIFICATION PURSUANT TO RULE 13A-14(a) OF THE SECURITIES

EXCHANGE ACT OF 1934

I, Dennis Bertolotti, certify that:

1.I have reviewed this report on Form 10-Q of Mistras Group, Inc.;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a.Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b.Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c.Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d.Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of registrant’s board of directors (or persons performing the equivalent functions):

a.All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b.Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: August 07, 2023


			/s/ Dennis Bertolotti
			Dennis Bertolotti
			President and Chief Executive Officer
			(Principal Executive Officer)

Exhibit 31.2

CERTIFICATION PURSUANT TO RULE 13A-14(a) OF THE SECURITIES

EXCHANGE ACT OF 1934

I, Edward J. Prajzner, certify that:

1.I have reviewed this report on Form 10-Q of Mistras Group, Inc.;

b.Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: August 07, 2023


			/s/ Edward J. Prajzner
			Edward J. Prajzner
			Executive Vice President, Chief Financial Officer and Treasurer
			(Principal Financial Officer)

Exhibit 32.1

CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Each of the undersigned hereby certifies, for the purposes of section 1350 of chapter 63 of title 18 of the United States Code, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, in his capacity as an officer of Mistras Group, Inc. (the “Company”), that, to his knowledge, the Quarterly Report on Form 10-Q of the Company for the quarter ended June 30, 2023 (the “Report”), fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. This written statement is being furnished to the Securities and Exchange Commission as an exhibit to the Report.

Dated: August 07, 2023


			/s/ Dennis Bertolotti
			Dennis Bertolotti
			President and Chief Executive Officer
			(Principal Executive Officer)

			/s/ Edward J. Prajzner
			Edward J. Prajzner
			Executive Vice President, Chief Financial Officer and Treasurer
			(Principal Financial Officer)

Cover - shares	6 Months Ended
Cover - shares	Jun. 30, 2023	Aug. 03, 2023
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2023
Document Transition Report	false
Entity File Number	001-34481
Entity Registrant Name	Mistras Group, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	22-3341267
Entity Address, Address Line One	195 Clarksville Road
Entity Address, City or Town	Princeton Junction,
Entity Address, State or Province	NJ
Entity Address, Postal Zip Code	08550
City Area Code	609
Local Phone Number	716-4000
Title of 12(b) Security	Common Stock, $0.01 par value
Trading Symbol	MG
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		30,301,985
Entity Central Index Key	0001436126
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q2

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current Assets
Cash and cash equivalents	$ 17,999	$ 20,488
Accounts receivable, net	118,773	123,657
Inventories	16,067	13,556
Prepaid expenses and other current assets	17,991	10,181
Total current assets	170,830	167,882
Property, plant and equipment, net	81,297	77,561
Intangible assets, net	46,145	49,015
Goodwill	201,586	199,635
Deferred income taxes	915	779
Other assets	40,173	40,032
Total assets	540,946	534,904
Current Liabilities
Accounts payable	17,014	12,532
Accrued expenses and other current liabilities	78,972	77,844
Current portion of long-term debt	7,550	7,425
Current portion of finance lease obligations	5,188	4,201
Income taxes payable	980	1,726
Total current liabilities	109,704	103,728
Long-term debt, net of current portion	176,121	183,826
Obligations under finance leases, net of current portion	12,441	10,045
Deferred income taxes	10,103	6,283
Other long-term liabilities	32,044	32,273
Total liabilities	340,413	336,155
Commitments and contingencies (Note 14)
Equity
Preferred stock, 10,000,000 shares authorized	0	0
Common stock, $0.01 par value, 200,000,000 shares authorized, 30,301,985 and 29,895,487 shares issued and outstanding	302	298
Additional paid-in capital	245,058	243,031
Accumulated deficit	(16,138)	(11,489)
Accumulated other comprehensive loss	(29,035)	(33,390)
Total Mistras Group, Inc. stockholders’ equity	200,187	198,450
Non-controlling interests	346	299
Total equity	200,533	198,749
Total liabilities and equity	$ 540,946	$ 534,904

Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Jun. 30, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Preferred stock, shares authorized (in shares)	10,000,000	10,000,000
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	200,000,000	200,000,000
Common stock, shares issued (in shares)	30,301,985	29,895,487
Common stock, shares outstanding (in shares)	30,301,985	29,895,487

Unaudited Condensed Consolidated Statements of Income (Loss) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Statement [Abstract]
Revenue	$ 176,030	$ 179,031	$ 344,046	$ 340,693
Cost of revenue	120,442	119,980	236,493	235,738
Depreciation	5,866	5,493	11,754	11,505
Gross profit	49,722	53,558	95,799	93,450
Selling, general and administrative expenses	41,484	40,856	84,305	82,777
Bad debt provision for troubled customers, net of recoveries	0	289	0	289
Reorganization and other costs	1,240	(180)	3,316	(65)
Legal settlement and insurance recoveries, net	150	(153)	150	(994)
Research and engineering	511	522	991	1,073
Depreciation and amortization	2,443	2,635	4,969	5,430
Acquisition-related expense, net	1	13	3	63
Income from operations	3,893	9,576	2,065	4,877
Interest expense	3,858	2,117	7,927	4,055
Income before provision (benefit) for income taxes	35	7,459	(5,862)	822
Provision (benefit) for income taxes	(341)	2,793	(1,260)	1,509
Net Income (Loss)	376	4,666	(4,602)	(687)
Less: net income attributable to noncontrolling interests, net of taxes	39	23	47	33
Net Income (Loss) attributable to Mistras Group, Inc.	$ 337	$ 4,643	$ (4,649)	$ (720)
Earnings (loss) per common share
Basic (in dollars per share)	$ 0.01	$ 0.15	$ (0.15)	$ (0.02)
Diluted (in dollars per share)	$ 0.01	$ 0.15	$ (0.15)	$ (0.02)
Weighted-average common shares outstanding:
Basic (in shares)	30,368	29,957	30,214	29,840
Diluted (in shares)	30,660	30,233	30,214	29,840

Unaudited Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 376	$ 4,666	$ (4,602)	$ (687)
Other comprehensive loss:
Foreign currency translation adjustments	3,082	(8,531)	4,355	(7,976)
Comprehensive Loss	3,458	(3,865)	(247)	(8,663)
Less: net income attributable to noncontrolling interest	39	23	47	33
Comprehensive loss attributable to Mistras Group, Inc	$ 3,419	$ (3,888)	$ (294)	$ (8,696)

Unaudited Condensed Consolidated Statements of Equity - USD ($) shares in Thousands, $ in Thousands	Total	Total Mistras Group, Inc. Stockholders’ Equity	Common Stock	Additional paid-in capital	Retained earnings (deficit)	Accumulated other comprehensive income (loss)	Noncontrolling Interest
Beginning balance (in shares) at Dec. 31, 2021			29,546
Beginning balance at Dec. 31, 2021	$ 200,912	$ 200,683	$ 295	$ 238,687	$ (17,988)	$ (20,311)	$ 229
Increase (Decrease) in Stockholders' Equity
Net income	(687)	(720)			(720)		33
Other comprehensive loss, net of tax	(7,976)	(7,976)				(7,976)
Share-based compensation	2,770	2,770		2,770
Net settlements of restricted stock units (in shares)			261
Net settlement of restricted stock units	(758)	(758)	$ 2	(760)
Ending balance (in shares) at Jun. 30, 2022			29,807
Ending balance at Jun. 30, 2022	194,261	193,999	$ 297	240,697	(18,708)	(28,287)	262
Beginning balance (in shares) at Mar. 31, 2022			29,720
Beginning balance at Mar. 31, 2022	197,085	196,846	$ 297	239,656	(23,351)	(19,756)	239
Increase (Decrease) in Stockholders' Equity
Net income	4,666	4,643			4,643		23
Other comprehensive loss, net of tax	(8,531)	(8,531)				(8,531)
Share-based compensation	1,255	1,255		1,255
Net settlements of restricted stock units (in shares)			87
Net settlement of restricted stock units	(214)	(214)		(214)
Ending balance (in shares) at Jun. 30, 2022			29,807
Ending balance at Jun. 30, 2022	194,261	193,999	$ 297	240,697	(18,708)	(28,287)	262
Beginning balance (in shares) at Dec. 31, 2022			29,895
Beginning balance at Dec. 31, 2022	198,749	198,450	$ 298	243,031	(11,489)	(33,390)	299
Increase (Decrease) in Stockholders' Equity
Net income	(4,602)	(4,649)			(4,649)		47
Other comprehensive loss, net of tax	4,355	4,355				4,355
Share-based compensation	2,968	2,968		2,968
Net settlements of restricted stock units (in shares)			407
Net settlement of restricted stock units	(937)	(937)	$ 4	(941)
Ending balance (in shares) at Jun. 30, 2023			30,302
Ending balance at Jun. 30, 2023	200,533	200,187	$ 302	245,058	(16,138)	(29,035)	346
Beginning balance (in shares) at Mar. 31, 2023			30,230
Beginning balance at Mar. 31, 2023	196,148	195,841	$ 302	244,131	(16,475)	(32,117)	307
Increase (Decrease) in Stockholders' Equity
Net income	376	337			337		39
Other comprehensive loss, net of tax	3,082	3,082				3,082
Share-based compensation	1,091	1,091		1,091
Net settlements of restricted stock units (in shares)			72
Net settlement of restricted stock units	(164)	(164)		(164)
Ending balance (in shares) at Jun. 30, 2023			30,302
Ending balance at Jun. 30, 2023	$ 200,533	$ 200,187	$ 302	$ 245,058	$ (16,138)	$ (29,035)	$ 346

Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities
Net income	$ (4,602)	$ (687)
Adjustments to reconcile net loss to net cash provided by operating activities
Depreciation and amortization	16,722	16,935
Deferred income taxes	3,441	(80)
Share-based compensation expense	2,968	2,770
Fair value adjustments to contingent consideration	0	45
Foreign currency loss	875	4
Other	(513)	709
Changes in operating assets and liabilities
Accounts receivable	5,856	(23,035)
Inventories	(2,402)	(430)
Prepaid expenses and other assets	(7,420)	5,198
Accounts payable	4,261	4,790
Accrued expenses and other liabilities	1,202	2,676
Income taxes payable	(1,129)	(553)
Payment of contingent consideration liability in excess of acquisition-date fair value	(938)	(533)
Net cash provided by operating activities	18,321	7,809
Cash flows from investing activities
Purchase of property, plant and equipment	(9,801)	(6,692)
Purchase of intangible assets	(822)	(399)
Proceeds from sale of equipment	812	592
Net cash used in investing activities	(9,811)	(6,499)
Cash flows from financing activities
Repayment of finance lease obligations	(2,528)	(2,138)
Repayment of long-term debt	(3,808)	(9,507)
Proceeds from revolver	46,194	56,000
Repayment of revolver	(50,100)	(48,250)
Payment of contingent consideration for business acquisitions	0	(405)
Taxes paid related to net share settlement of share-based awards	(945)	(756)
Net cash used in financing activities	(11,187)	(5,056)
Effect of exchange rate changes on cash and cash equivalents	188	(1,755)
Net change in cash and cash equivalents	(2,489)	(5,501)
Cash and cash equivalents at beginning of period	20,488	24,110
Cash and cash equivalents at end of period	17,999	18,609
Supplemental disclosure of cash paid
Interest, net	8,899	3,525
Income taxes, net of refunds	3,429	(3,466)
Noncash investing and financing
Equipment acquired through finance lease obligations	$ 5,764	$ 2,039

Description of Business and Basis of Presentation	6 Months Ended
Description of Business and Basis of Presentation	Jun. 30, 2023
Accounting Policies [Abstract]
Description of Business and Basis of Presentation	Description of Business and Basis of Presentation Description of Business Mistras Group, Inc., together with its subsidiaries (the Company), is a leading “one source” multinational provider of integrated technology-enabled asset protection solutions helping to maximize the safety and operational uptime for civilization’s most critical industrial and civil assets. Backed by an innovative, data-driven asset protection portfolio, proprietary technologies, and decades-long legacy of industry leadership, the Company helps clients with asset-intensive infrastructure in the oil and gas, aerospace and defense, industrials, power generation and transmission (including alternative and renewable energy), other process industries and infrastructure, research and engineering and other industries towards achieving and maintaining operational excellence. By supporting these organizations that help fuel our vehicles and power our society; inspecting components that are trusted for commercial, defense, and space craft; and building real-time monitoring systems to help avoid catastrophic incidents, the Company helps the world at large. The Company enhances value for its clients by integrating asset protection throughout supply chains and centralizing integrity data through a suite of Industrial Internet of Things ("IoT")-connected digital software and monitoring solutions, including OneSuite™, which serves as an ecosystem platform, pulling together all of the Company’s software and data services capabilities, for the benefit of its customers. The Company’s core capabilities also include non-destructive testing (“NDT”) field inspections enhanced by advanced robotics, laboratory quality control and assurance testing, sensing technologies and NDT equipment, asset and mechanical integrity engineering services, and light mechanical maintenance and access services. The Company has three operating segments. During the first quarter of 2023, the Company renamed the Services segment to more closely align to the geographical area in which the Segment operates. We did not recast the corresponding financial information for the historical periods presented, as there was no change in the manner which our chief operating decision maker reviews the financial results of each Segment and allocates resources. Our Segments, with the updated naming convention, are as follows: •North America (Referred to as "Services" in prior filings). This segment provides asset protection solutions predominantly in North America, with the largest concentration in the United States, followed by Canada, consisting primarily of NDT, inspection, mechanical and engineering services that are used to evaluate the safety, structural integrity and reliability of critical energy, industrial and public infrastructure and commercial aerospace components. Software, digital and data services are included in this segment. •International. This segment offers services, products and systems similar to those of the other segments to select markets within Europe, the Middle East, Africa, Asia and South America, but not to customers in China and South Korea, which are served by the Products and Systems segment. •Products and Systems. This segment designs, manufactures, sells, installs and services the Company’s asset protection products and systems, including equipment and instrumentation, predominantly in the United States. Recent Developments Overall, the Company has taken actions to help ensure the health and safety of Company employees and those of its customers and suppliers; maintain business continuity and financial strength and stability; and serve customers as they provide essential products and services to the world. During 2022, the Company experienced unfavorable foreign currency exchange impacts as it relates to the Company's European operations, which has continued in 2023. Additionally, the Russian-Ukrainian war continues to create disruptions in the oil and gas market and the supply chain in general, which is resulting in some disruption to our business operations. The Company’s European operations are currently experiencing increased costs associated with higher energy costs, among others, due in part to the Russian-Ukrainian war. In 2022, the Company eliminated substantially all of the COVID related cost reduction initiatives undertaken in 2020, including re-installment of the savings plan employer match and increasing wages back to pre-pandemic amounts. The Company is currently unable to predict with certainty the overall impact that the factors discussed above and the effect of inflationary pressures may have on its business, results of operations or liquidity or in other ways which the Company cannot yet determine. The Company will continue to monitor market conditions and respond accordingly. Basis of Presentation The Unaudited Condensed Consolidated Financial Statements contained in this report have been prepared in conformity with U.S. generally accepted accounting principles ("GAAP") and Securities and Exchange Commission ("SEC") guidance allowing for reduced disclosure for interim periods. In the opinion of management, the Unaudited Condensed Consolidated Financial Statements include all adjustments, which are of a normal recurring nature, necessary for a fair statement of the results for the interim periods of the years ending December 31, 2023 and December 31, 2022. Certain items included in these statements are based on management’s estimates. Actual results may differ from those estimates. The results of operations for any interim period are not necessarily indicative of the results expected for the year. The accompanying Unaudited Condensed Consolidated Financial Statements should be read in conjunction with the notes to the Audited Consolidated Financial Statements contained in the Company’s 2022 Annual Report on Form 10-K ("2022 Annual Report"). Principles of Consolidation The accompanying Unaudited Condensed Consolidated Financial Statements include the accounts of Mistras Group, Inc. as well as its wholly-owned subsidiaries, majority-owned subsidiaries and consolidated variable interest entities (VIE). For subsidiaries in which the Company’s ownership interest is less than 100%, the non-controlling interests are reported in stockholders’ equity in the accompanying Condensed Consolidated Balance Sheets. The non-controlling interests in net results, net of tax, is classified separately in the accompanying Unaudited Condensed Consolidated Statements of Income (Loss). All significant intercompany accounts and transactions have been eliminated in consolidation. The results of operations of companies acquired are included from the date of acquisition. Reclassification Certain amounts in prior periods have been reclassified to conform to the current year presentation. Such reclassifications did not have a material effect on the Company’s financial condition or results of operations as previously reported. Significant Accounting Policies The Company’s significant accounting policies are disclosed in Note 1–Summary of Significant Accounting Policies and Practices in the 2022 Annual Report. On an ongoing basis, the Company evaluates its estimates and assumptions, including among other things, those related to revenue recognition, long-lived assets, goodwill and acquisitions. Since the date of the 2022 Annual Report, there have been no material changes to the Company’s significant accounting policies. Income Taxes Income taxes are accounted for under the asset and liability method. We recognize deferred tax assets and liabilities at enacted income tax rates for the temporary differences between the financial reporting bases and the tax bases of our assets and liabilities. Any effects of changes in income tax rates or tax laws are included in the provision for income taxes in the period of enactment. Our net deferred tax assets primarily consist of net operating loss carryforwards, or NOLs. A valuation allowance is provided if it is more likely than not that some or all of a deferred income tax asset will not be realized. A current tax liability or asset is recognized for the estimated taxes payable or refundable on tax returns for the current and prior years. As of June 30, 2023, management concluded that it is more likely than not that a substantial portion of the Company’s deferred tax assets will be realized. We recognize the tax benefit from an uncertain tax position only if it is more likely than not that the tax position will be sustained on examination by the taxing authorities, based on the technical merits of the position. The tax benefits recognized in the financial statements from such a position are measured based on the largest benefit that has a greater than 50% likelihood of being realized upon ultimate resolution. The Company’s effective income tax rate was approximately (974.3)% and 37.4% for the three months ended June 30, 2023 and 2022, respectively. The Company’s effective income tax rate was approximately 21.5% and 183.6% for the six months ended June 30, 2023 and 2022, respectively. The effective income tax rate for the three months ended June 30, 2023, was lower than the statutory rate primarily due to the impact of favorable discrete item related to stock compensation. The effective income tax rate for the three months ended June 30, 2022 was higher than the statutory rate primarily due a $0.7 million valuation allowance recorded on a foreign jurisdiction. The effective income tax rate for the six months ended June 30, 2023 was lower than the statutory rate due primarily to an unfavorable discrete item related to stock compensation. The effective income tax rate for the six months ended June 30, 2022 was higher than the statutory rate due primarily to a $0.7 million valuation allowance recorded during the period which was related to a foreign jurisdiction. Recent Accounting Pronouncements In March 2020 and updated in January 2021, the FASB issued Accounting Standards Update ("ASU") 2020-04 and 2021-01, “Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting.” The amendments provide optional guidance for a limited period of time to ease the potential burden in accounting for (or recognizing the effects of) reference rate reform on financial reporting. The guidance provides optional expedients and exceptions for applying U.S. GAAP to contract modifications and hedging relationships, subject to meeting certain criteria, that reference LIBOR or another rate that is expected to be discontinued. The amendments in ASU 2020-04 are effective for all entities as of March 12, 2020 through December 31, 2024. The Company is currently evaluating applicable contracts and the available expedients provided by the new guidance.

Revenue

6 Months Ended

Jun. 30, 2023

Revenue from Contract with Customer [Abstract]

Revenue

RevenueThe Company derives the majority of its revenue by providing services on a time and material basis, and are short-term in nature. The Company accounts for revenue in accordance with ASC Topic 606, Revenue from Contracts with Customers.

Performance Obligations

The Company expects any significant remaining performance obligations to be satisfied within one year.

Contract Estimates

Revenue by Category

The following series of tables present the Company’s disaggregated revenue:

Revenue by industry was as follows:


Three Months Ended June 30, 2023	North America		International		Products		Corp/Elim		Total
Oil & Gas	$	97,500	$	8,609	$	15	$	—	$	106,124
Aerospace & Defense	13,665		5,136		217		—		19,018
Industrials	11,066		6,203		468		—		17,737
Power generation & Transmission	5,459		1,530		1,167		—		8,156
Other Process Industries	8,864		4,466		51		—		13,381
Infrastructure, Research & Engineering	4,171		2,028		547		—		6,746
Petrochemical	1,577		156		—		—		1,733
Other	3,248		2,149		864		(3,126)		3,135
Total	$	145,550	$	30,277	$	3,329	$	(3,126)	$	176,030


Three Months Ended June 30, 2022	North America		International		Products		Corp/Elim		Total
Oil & Gas	$	93,098	$	8,028	$	139	$	—	$	101,265
Aerospace & Defense	17,300		5,118		26		—		22,444
Industrials	9,794		6,506		333		—		16,633
Power generation & Transmission	8,378		1,997		678		—		11,053
Other Process Industries	11,641		3,754		14		—		15,409
Infrastructure, Research & Engineering	3,183		2,193		442		—		5,818
Petrochemical	3,584		55		—		—		3,639
Other	2,550		1,959		1,020		(2,759)		2,770
Total	$	149,528	$	29,610	$	2,652	$	(2,759)	$	179,031


Six Months Ended June 30, 2023	North America		International		Products		Corp/Elim		Total
Oil & Gas	$	187,273	$	17,464	$	52	$	—	$	204,789
Aerospace & Defense	27,276		10,116		228		—		37,620
Industrials	20,368		12,256		1,026		—		33,650
Power generation & Transmission	10,446		3,187		2,493		—		16,126
Other Process Industries	17,973		7,703		78		—		25,754
Infrastructure, Research & Engineering	6,654		4,164		1,689		—		12,507
Petrochemical	6,714		301		—		—		7,015
Other	5,778		4,493		1,502		(5,188)		6,585
Total	$	282,482	$	59,684	$	7,068	$	(5,188)	$	344,046



Six Months Ended June 30, 2022	North America		International		Products		Corp/Elim		Total
Oil & Gas	$	179,711	$	15,600	$	177	$	—	$	195,488
Aerospace & Defense	32,322		10,058		134		—		42,514
Industrials	18,801		12,034		835		—		31,670
Power generation & Transmission	12,200		4,559		1,523		—		18,282
Other Process Industries	21,934		7,272		15		—		29,221
Infrastructure, Research & Engineering	5,689		4,232		1,339		—		11,260
Petrochemical	6,629		133		—		—		6,762
Other	5,188		3,860		1,565		(5,117)		5,496
Total	$	282,474	$	57,748	$	5,588	$	(5,117)	$	340,693

Revenue per key geographic location was as follows:


Three Months Ended June 30, 2023	North America		International		Products		Corp/Elim		Total
United States	$	122,972	$	280	$	1,645	$	(271)	$	124,626
Other Americas	21,041		3,821		298		(1,474)		23,686
Europe	1,282		24,474		504		(1,166)		25,094
Asia-Pacific	255		1,702		882		(215)		2,624
Total	$	145,550	$	30,277	$	3,329	$	(3,126)	$	176,030


Three Months Ended June 30, 2022	North America		International		Products		Corp/Elim		Total
United States	$	126,286	$	334	$	1,492	$	(567)	$	127,545
Other Americas	22,553		1,376		168		(1,105)		22,992
Europe	415		27,353		514		(955)		27,327
Asia-Pacific	274		547		478		(132)		1,167
Total	$	149,528	$	29,610	$	2,652	$	(2,759)	$	179,031


Six Months Ended June 30, 2023	North America		International		Products		Corp/Elim		Total
United States	$	243,572	$	589	$	3,446	$	(869)	$	246,738
Other Americas	35,311		7,310		624		(1,906)		41,339
Europe	2,694		48,657		765		(1,992)		50,124
Asia-Pacific	905		3,128		2,233		(421)		5,845
Total	$	282,482	$	59,684	$	7,068	$	(5,188)	$	344,046



Six Months Ended June 30, 2022	North America		International		Products		Corp/Elim		Total
United States	$	240,221	$	507	$	2,843	$	(1,222)	$	242,349
Other Americas	40,605		2,717		184		(1,714)		41,792
Europe	1,159		53,273		1,094		(1,879)		53,647
Asia-Pacific	489		1,251		1,467		(302)		2,905
Total	$	282,474	$	57,748	$	5,588	$	(5,117)	$	340,693

Contract Balances

Share-Based Compensation

6 Months Ended

Jun. 30, 2023

Share-Based Payment Arrangement [Abstract]

Share-Based Compensation

Stock Options

Restricted Stock Unit Awards

A summary of the vesting activity of restricted stock unit awards, with the respective fair value of the awards, is as follows:


	Six months ended June 30,
	2023		2022
Restricted stock awards vested	430		326
Fair value of awards vested	$	2,616	$	2,164

A summary of the fully-vested common stock the Company issued to its six non-employee directors, in connection with its non-employee director compensation plan, is as follows:


	Six months ended June 30,
	2023		2022
Awards issued	48		34
Grant date fair value of awards issued	$	275	$	225

A summary of the Company’s outstanding, non-vested restricted share units is as follows:


	Six months ended June 30,
	2023			2022
	Units	Weighted Average Grant-Date Fair Value		Units	Weighted Average Grant-Date Fair Value
Outstanding at beginning of period:	1,415	$	6.66	1,208	$	7.96
Granted	581	$	8.42	675	$	7.65
Released	(430)	$	6.09	(326)	$	10.03
Forfeited	(98)	$	7.94	(20)	$	8.49
Outstanding at end of period:	1,468	$	7.62	1,537	$	7.38

Performance Restricted Stock Units

1.Free Cash Flow net cash provided by operating activities less purchases of property, plant, equipment and intangible assets and is subject to adjustments approved by the Compensation Committee.

b.Dividend Yield. The dividend yield assumption was based on historical and anticipated dividend payouts (assumed at zero).

c.Risk-Free Interest Rate. The risk-free interest rate assumption was based on observed interest rates consistent with the approximate 1-year performance measurement period.

1.Free Cash Flow net cash provided by operating activities less purchases of property, plant, equipment and intangible assets and is subject to adjustments approved by the Compensation Committee.

3.Revenue

A summary of the Company’s PRSU activity is as follows:


	Six months ended June 30,
	2023			2022
	Units	Weighted Average Grant-Date Fair Value		Units	Weighted Average Grant-Date Fair Value
Outstanding at beginning of period:	280	$	9.96	388	$	10.07
Granted	282	$	8.50	341	$	6.55
Performance condition adjustments	(215)	$	8.27	(163)	$	8.34
Released	(64)	$	5.58	(17)	$	6.85
Forfeited	(84)	$	6.95	—	$	—
Outstanding at end of period:	199	$	9.45	549	$	9.12

Earnings (loss) per Share

6 Months Ended

Jun. 30, 2023

Earnings Per Share [Abstract]

Earnings (loss) per Share

The following table sets forth the computations of basic and diluted earnings (loss) per share:


	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022

Basic earnings (loss) per share
Numerator:
Net income (loss) attributable to Mistras Group, Inc.	$	337	$	4,643	$	(4,649)	$	(720)
Denominator:
Weighted average common shares outstanding	30,368		29,957		30,214		29,840
Basic earnings (loss) per share	$	0.01	$	0.15	$	(0.15)	$	(0.02)

Diluted earnings (loss) per share:
Numerator:
Net income (loss) attributable to Mistras Group, Inc.	$	337	$	4,643	$	(4,649)	$	(720)
Denominator:
Weighted average common shares outstanding	30,368		29,957		30,214		29,840

Dilutive effect of restricted stock units outstanding (1)	292		276		—		—
	30,660		30,233		30,214		29,840
Diluted earnings (loss) per share	$	0.01	$	0.15	$	(0.15)	$	(0.02)

_______________

Acquisitions

6 Months Ended

Jun. 30, 2023

Business Combination and Asset Acquisition [Abstract]

Acquisitions

Acquisition-Related Expense


	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022
Due diligence, professional fees and other transaction costs	$	1	$	13	$	3	$	18
Adjustments to fair value of contingent consideration liabilities			—				45
Acquisition-related expense, net	$	1	$	13	$	3	$	63

The Company's contingent consideration liabilities are included in Accrued expenses and other current liabilities and Other long-term liabilities on the Condensed Consolidated Balance Sheets.

Accounts Receivable, net

6 Months Ended

Jun. 30, 2023

Receivables [Abstract]

Accounts Receivable, net

Accounts receivable consisted of the following:


	June 30, 2023		December 31, 2022

Trade accounts receivable	$	120,634	$	127,767
Allowance for credit losses	(1,861)		(4,110)
Accounts receivable, net	$	118,773	$	123,657

Inventory

6 Months Ended

Jun. 30, 2023

Inventory Disclosure [Abstract]

Inventory

InventoryInventories consist of the following (in thousands):


	June 30, 2023		December 31, 2022

Raw materials and consumable supplies	$	8,841	$	7,745
Work in progress and finished goods	7,226		5,811
Inventories	$	16,067	$	13,556

Property, Plant and Equipment, net

6 Months Ended

Jun. 30, 2023

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment, net

Property, plant and equipment consisted of the following:


	Useful Life (Years)	June 30, 2023		December 31, 2022

Land		$	2,449	$	2,529
Buildings and improvements	30-40	25,815		24,800
Office furniture and equipment	5-8	22,270		18,057
Machinery and equipment	5-7	259,697		251,282
		310,231		296,668
Accumulated depreciation and amortization		(228,934)		(219,107)
Property, plant and equipment, net		$	81,297	$	77,561

Depreciation expense for the three months ended June 30, 2023 and 2022 was approximately $6.2 million and $5.8 million, respectively.

Depreciation expense for the six months ended June 30, 2023 and 2022 was $12.4 million and $12.3 million, respectively.

Goodwill

6 Months Ended

Jun. 30, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

Changes in the carrying amount of goodwill by segment is shown below:


	North America		International		Products and Systems		Total
Balance at December 31, 2022	$	185,710	$	13,925	$	—	$	199,635



Foreign currency translation	1,658		293		—		1,951
Balance at June 30, 2023	$	187,368	$	14,218	$	—	$	201,586

Intangible Assets

6 Months Ended

Jun. 30, 2023

Intangible Assets, Net (Excluding Goodwill) [Abstract]

Intangible Assets

The gross amount, accumulated amortization and net carrying amount of intangible assets were as follows:


		June 30, 2023				December 31, 2022
	Useful Life (Years)	Gross Amount		Accumulated Amortization		Net Carrying Amount		Gross Amount		Accumulated Amortization		Net Carrying Amount

Customer relationships	5-18	$	110,469	$	(87,519)	$	22,950	$	109,683	$	(84,130)	$	25,553
Software/Technology	3-15	52,759		(30,550)		22,209		51,028		(28,669)		22,359
Covenants not to compete	2-5	12,534		(12,472)		62		12,488		(12,416)		72
Other	2-12	10,457		(9,533)		924		10,389		(9,358)		1,031
Total		$	186,219	$	(140,074)	$	46,145	$	183,588	$	(134,573)	$	49,015

Amortization expense for the three months ended June 30, 2023 and 2022 was approximately $2.2 million and $2.3 million, respectively.

Amortization expense for the six months ended June 30, 2023 and June 30, 2022 was $4.3 million and $4.6 million, respectively.

Accrued Expenses and Other Current Liabilities

6 Months Ended

Jun. 30, 2023

Payables and Accruals [Abstract]

Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consisted of the following:


	June 30, 2023		December 31, 2022

Accrued salaries, wages and related employee benefits	$	26,811	$	26,684
Contingent consideration, current portion	—		937
Accrued workers’ compensation and health benefits	3,760		3,660
Deferred revenue	9,257		7,521
Pension accrual	2,458		2,519
Right-of-use liability - Operating	10,603		10,376
Other accrued expenses	26,083		26,147
Total	$	78,972	$	77,844

Long-Term Debt

6 Months Ended

Jun. 30, 2023

Debt Disclosure [Abstract]

Long-Term Debt

Long-term debt consisted of the following:


	June 30, 2023		December 31, 2022

Senior credit facility	$	61,150	$	65,250
Senior secured term loan, net of unamortized debt issuance costs of $0.5 million and $0.5 million, respectively	118,326		121,399

Other	4,195		4,602
Total debt	183,671		191,251
Less: Current portion	(7,550)		(7,425)
Long-term debt, net of current portion	$	176,121	$	183,826

Senior Credit Facility

The Credit Agreement has the following key terms, conditions and financial covenants:

◦Total Consolidated Debt Leverage Ratio means the ratio of (a) Total Consolidated Debt to (b) EBITDA (as defined in the Credit Agreement) for the trailing four consecutive fiscal quarters.

◦Total Consolidated Debt means all indebtedness (including subordinated debt) of the Company on a consolidated basis.

•The Company has to maintain a Fixed Charge Coverage Ratio of 1.25 to 1.0 for the duration of the New Credit Agreement, as defined in the Credit Agreement.

As of June 30, 2023, the Company was in compliance with the terms of the Credit Agreement. The Company continuously monitors compliance with the covenants contained in its Credit Agreement.

Other debt

Fair Value Measurements

6 Months Ended

Jun. 30, 2023

Fair Value Disclosures [Abstract]

Fair Value Measurements

Financial instruments measured at fair value on a recurring basis

The following table represents the changes in the fair value of Level 3 contingent consideration:


	Six months ended June 30,
	2023		2022
Beginning balance	$	938	$	1,831

Payments	(938)		(938)

Revaluation	—		45

Ending balance	$	—	$	938

Financial instruments not measured at fair value on a recurring basis

Commitments and Contingencies	6 Months Ended
Commitments and Contingencies	Jun. 30, 2023
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies Legal Proceedings and Government Investigations The Company is periodically involved in lawsuits, investigations and claims that arise in the ordinary course of business. The Company cannot predict with certainty the ultimate resolution of lawsuits, investigations and claims asserted against it. Except for possible losses from the matters described below, the Company does not believe that any currently pending or threatened legal proceeding to which the Company is or is likely to become a party will have a material adverse effect on its business, results of operations, cash flows or financial condition. The costs incurred by the Company to defend lawsuits, investigations and claims and amounts the Company pays to other parties because of these matters may be covered by insurance in some circumstances. Litigation and Commercial Claims The Company was contracted to perform inspections of welds on various pipeline projects in Texas for a customer. As of June 30, 2023, approximately $1.4 million of past due receivables were outstanding from this customer. The customer provided the Company with notice in December 2019, alleging that the Company’s inspection of 66 welds (out of approximately 16,000 welds inspected) were not in compliance with the contract, claimed approximately $7.6 million in damages, and requested that the Company pay these damages and any other damages incurred. The Company filed a lawsuit in the District Court of Bexar County, Texas, 37th Judicial District on December 17, 2019, in an action captioned Mistras Group, Inc. v. Epic Y-Grade Pipeline LP, to recover the $1.4 million and other amounts due to the Company. The customer filed a counterclaim on March 6, 2020, alleging breach of contract and seeking recovery of its alleged damages. On April 25, 2023, the Company settled all claims related to this litigation. In July 2023, the parties executed a settlement agreement, resulting in a payment by the Company of $0.3 million (paid in July 2023 and which the Company estimates is significantly less than the cost of going to trial) and a release of its claim for $1.4 million of associated past due receivables which were fully reserved for in prior periods. In the year ended December 31, 2022, the Company recorded a charge of $0.1 million for a potential loss from this matter. The Company recorded a reserve in the amount of $1.4 million during the twelve months ended December 31, 2019 for these past due receivables. Two proceedings were filed in California Superior Court for the County of Los Angeles regarding alleged violations of the California Labor Code. Both cases were captioned Justin Price v. Mistras Group, Inc., one being a purported class action lawsuit on behalf of current and former Mistras employees in California, filed on June 10, 2020, and the other was filed on September 18, 2020, on behalf of the State of California under the California Private Attorney General Act on the basis of the same alleged violations. The two cases were consolidated and requested payment of all damages, including unpaid wages, and various fines and penalties available under California law. On May 4, 2021, the Company agreed to a settlement of all claims in the cases, which was more formally documented pursuant to a settlement agreement completed October 5, 2021, as amended as of May 3, 2022. Pursuant to the settlement, the Company agreed to pay $2.3 million to resolve the allegations in these proceedings and to be responsible for the employer portion of payroll taxes on the amount of the settlement allocated to wages. The settlement as agreed upon by the parties received final court approval on September 26, 2022, and the Company paid the settlement proceeds and related payroll taxes to the claims administrator in the fourth quarter of 2022. The Company recorded expense of approximately $1.6 million during the three months ended March 31, 2021 related to this settlement, which is in addition to expense of $0.8 million the Company recorded during the three months ended December 31, 2020. Pension Related Contingencies Certain of Company’s subsidiaries had significant reductions in their unionized workers in 2018. The collective bargaining agreements for the employees of these subsidiaries required contributions for these employees to two national multi-employer pension funds. The reduction in employees resulted in the subsidiary incurring a complete withdrawal to one of the pension funds under the Employee Retirement Income Security Act of 1974 ("ERISA"), which was fully satisfied in 2019. The Company has determined that the subsidiary is likely to incur partial or complete withdrawal liability to the other pension fund. The balance of the estimated total amount of this potential liability as of June 30, 2023 is approximately $2.5 million, which were incurred in 2018 and 2019. Severance and labor disputes During December 2019, the Company executed an agreement to sell the rights of certain customer "staff leasing" contracts related to its German subsidiary for total consideration of approximately $0.1 million, effective January 1, 2020. No other assets or liabilities other than those employee benefits related to employees working on the customer contracts were included in the sale. As of June 30, 2023, the Company has approximately $0.1 million of accrued estimated severance payment obligations, which takes into account the Company’s estimate with respect to the employees that have been or will be transitioned to the German subsidiaries' other customers. The $0.2 million of estimated obligations is net of $0.4 million in payments made and $1.0 million in reversals due to employees being transitioned to customer contracts.

Segment Disclosure

6 Months Ended

Jun. 30, 2023

Segment Reporting [Abstract]

Segment Disclosure

The Company’s three operating segments are:

Selected consolidated financial information by segment for the periods shown was as follows: (with intercompany transactions eliminated in Corporate and eliminations)


	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022
Revenue
North America	$	145,550	$	149,528	$	282,482	$	282,474
International	30,277		29,610		59,684		57,748
Products and Systems	3,329		2,652		7,068		5,588
Corporate and eliminations	(3,126)		(2,759)		(5,188)		(5,117)
	$	176,030	$	179,031	$	344,046	$	340,693


	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022
Gross profit
North America	$	39,679	$	42,954	$	76,316	$	73,479
International	8,398		9,440		15,766		17,630
Products and Systems	1,614		1,157		3,676		2,325
Corporate and eliminations	31		7		41		16
	$	49,722	$	53,558	$	95,799	$	93,450

Income (loss) from operations by operating segment includes intercompany transactions, which are eliminated in Corporate and eliminations.


	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022
Income (loss) from operations
North America	$	12,338	$	14,855	$	21,715	$	18,615
International	507		1,580		(61)		1,864
Products and Systems	94		(420)		478		(1,002)
Corporate and eliminations	(9,046)		(6,439)		(20,067)		(14,600)
	$	3,893	$	9,576	$	2,065	$	4,877


	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022
Depreciation and amortization
North America	$	6,370	$	6,166	$	12,727	$	12,759
International	1,889		1,919		3,748		3,977
Products and Systems	87		120		343		337
Corporate and eliminations	(37)		(77)		(96)		(138)
	$	8,309	$	8,128	$	16,722	$	16,935


	June 30, 2023		December 31, 2022
Intangible assets, net
North America	$	40,650	$	43,260
International	3,758		4,422
Products and Systems	1,267		1,208
Corporate and eliminations	470		125
	$	46,145	$	49,015


	June 30, 2023		December 31, 2022
Total assets
North America	$	408,583	$	407,779
International	105,751		104,531
Products and Systems	13,127		12,408
Corporate and eliminations	13,485		10,186
	$	540,946	$	534,904

Refer to Note 2–Revenue, for revenue by geographic area for the three and six months ended June 30, 2023 and 2022.

Description of Business and Basis of Presentation (Policies)	6 Months Ended
	Jun. 30, 2023
Accounting Policies [Abstract]
Basis of Presentation	Basis of Presentation The Unaudited Condensed Consolidated Financial Statements contained in this report have been prepared in conformity with U.S. generally accepted accounting principles ("GAAP") and Securities and Exchange Commission ("SEC") guidance allowing for reduced disclosure for interim periods. In the opinion of management, the Unaudited Condensed Consolidated Financial Statements include all adjustments, which are of a normal recurring nature, necessary for a fair statement of the results for the interim periods of the years ending December 31, 2023 and December 31, 2022. Certain items included in these statements are based on management’s estimates. Actual results may differ from those estimates. The results of operations for any interim period are not necessarily indicative of the results expected for the year. The accompanying Unaudited Condensed Consolidated Financial Statements should be read in conjunction with the notes to the Audited Consolidated Financial Statements contained in the Company’s 2022 Annual Report on Form 10-K ("2022 Annual Report").
Principles of Consolidation	Principles of Consolidation The accompanying Unaudited Condensed Consolidated Financial Statements include the accounts of Mistras Group, Inc. as well as its wholly-owned subsidiaries, majority-owned subsidiaries and consolidated variable interest entities (VIE). For subsidiaries in which the Company’s ownership interest is less than 100%, the non-controlling interests are reported in stockholders’ equity in the accompanying Condensed Consolidated Balance Sheets. The non-controlling interests in net results, net of tax, is classified separately in the accompanying Unaudited Condensed Consolidated Statements of Income (Loss). All significant intercompany accounts and transactions have been eliminated in consolidation. The results of operations of companies acquired are included from the date of acquisition.
Reclassification	Reclassification Certain amounts in prior periods have been reclassified to conform to the current year presentation. Such reclassifications did not have a material effect on the Company’s financial condition or results of operations as previously reported.
Income Taxes	Income Taxes Income taxes are accounted for under the asset and liability method. We recognize deferred tax assets and liabilities at enacted income tax rates for the temporary differences between the financial reporting bases and the tax bases of our assets and liabilities. Any effects of changes in income tax rates or tax laws are included in the provision for income taxes in the period of enactment. Our net deferred tax assets primarily consist of net operating loss carryforwards, or NOLs. A valuation allowance is provided if it is more likely than not that some or all of a deferred income tax asset will not be realized. A current tax liability or asset is recognized for the estimated taxes payable or refundable on tax returns for the current and prior years. As of June 30, 2023, management concluded that it is more likely than not that a substantial portion of the Company’s deferred tax assets will be realized. We recognize the tax benefit from an uncertain tax position only if it is more likely than not that the tax position will be sustained on examination by the taxing authorities, based on the technical merits of the position. The tax benefits recognized in the financial statements from such a position are measured based on the largest benefit that has a greater than 50% likelihood of being realized upon ultimate resolution. The Company’s effective income tax rate was approximately (974.3)% and 37.4% for the three months ended June 30, 2023 and 2022, respectively. The Company’s effective income tax rate was approximately 21.5% and 183.6% for the six months ended June 30, 2023 and 2022, respectively. The effective income tax rate for the three months ended June 30, 2023, was lower than the statutory rate primarily due to the impact of favorable discrete item related to stock compensation. The effective income tax rate for the three months ended June 30, 2022 was higher than the statutory rate primarily due a $0.7 million valuation allowance recorded on a foreign jurisdiction. The effective income tax rate for the six months ended June 30, 2023 was lower than the statutory rate due primarily to an unfavorable discrete item related to stock compensation. The effective income tax rate for the six months ended June 30, 2022 was higher than the statutory rate due primarily to a $0.7 million valuation allowance recorded during the period which was related to a foreign jurisdiction.
Recent Accounting Pronouncements	Recent Accounting Pronouncements In March 2020 and updated in January 2021, the FASB issued Accounting Standards Update ("ASU") 2020-04 and 2021-01, “Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting.” The amendments provide optional guidance for a limited period of time to ease the potential burden in accounting for (or recognizing the effects of) reference rate reform on financial reporting. The guidance provides optional expedients and exceptions for applying U.S. GAAP to contract modifications and hedging relationships, subject to meeting certain criteria, that reference LIBOR or another rate that is expected to be discontinued. The amendments in ASU 2020-04 are effective for all entities as of March 12, 2020 through December 31, 2024. The Company is currently evaluating applicable contracts and the available expedients provided by the new guidance.
Revenue	RevenueThe Company derives the majority of its revenue by providing services on a time and material basis, and are short-term in nature. The Company accounts for revenue in accordance with ASC Topic 606, Revenue from Contracts with Customers. Performance Obligations The Company provides highly integrated and bundled inspection services to its customers. The majority of the Company’s contracts have a single performance obligation as the promise to transfer the individual goods or services is not separately identifiable from other promises in the contracts and is, therefore, not distinct. For contracts with multiple performance obligations, the Company allocates the contract’s transaction price to each performance obligation using the Company’s best estimate of the standalone selling price of each distinct good or service in the contract. The primary method used to estimate standalone selling price is a relative selling price based on price lists. Contract modifications are not routine in the performance of the Company’s contracts. Generally, when contracts are modified, the modification is to account for changes in scope to the goods and services that are provided. In most instances, contract modifications are for goods or services that are distinct, and, therefore, are accounted for as a separate contract. The Company’s performance obligations are satisfied over time as work progresses or at a point in time. The majority of the Company’s revenue is recognized over time as work progresses for the Company’s service deliverables, which includes providing testing, inspection and mechanical services to our customers. Revenue is recognized over time, based on time and material incurred to date which best portrays the transfer of control to the customer. The Company also utilizes an available practical expedient that provides for revenue to be recognized in an amount that corresponds directly with the value to the customer of the entity’s performance completed to date. Fixed fee arrangements are determined based on expected labor, material, and overhead to be consumed on fulfillment of such services. For these arrangements, revenue is recognized on a cost-to-cost method tracked on an input basis. The majority of our revenue recognized at a point in time is related to product sales when the customer obtains control of the asset, which is generally upon shipment to the customer. Contract costs include labor, material and overhead. The Company expects any significant remaining performance obligations to be satisfied within one year. Contract Estimates The majority of the Company's revenues are short-term in nature. The Company enters into master service agreements (MSAs) with customers that specify an overall framework and contract terms. The actual contracting to provide services or furnish products are triggered by a work order, purchase order, or some similar document issued pursuant to a MSA which sets forth the scope of services and/or identifies the products to be provided. From time-to-time, the Company may enter into longer-term contracts, which can range from several months to several years. Revenue on certain contracts is recognized as work is performed based on total costs incurred to date in relation to the total estimated costs for the performance of the contract at completion. This includes contract estimates of costs to be incurred for the performance of the contract. Cost estimation is based upon the professional knowledge and experience of the Company's project managers, engineers and financial professionals. Factors that are considered in estimating the work to be completed include the availability of materials, the effect of any delays in the Company's project performance and the recoverability of any claims. Whenever revisions of estimates, contract costs and/or contract values indicate that the contract costs will exceed estimated revenues, thus creating a loss, a provision for the total estimated loss is recorded in that period. Contract Balances The timing of revenue recognition, billings and cash collections results in billed accounts receivable, unbilled receivables (contract assets), and customer advances and deposits (contract liabilities) on the Consolidated Balance Sheets. Amounts are generally billed as work progresses in accordance with agreed-upon contractual terms, generally at periodic intervals (e.g., weekly, bi-weekly or monthly). Generally, billing occurs subsequent to revenue recognition, resulting in contract assets. However, the Company sometimes receives advances or deposits from its customers before revenue is recognized, resulting in contract liabilities. These assets and liabilities are aggregated on an individual contract basis and reported on the Consolidated Balance Sheets at the end of each reporting period within accounts receivable, net or accrued expenses and other current liabilities. Unbilled revenue is generally billed in the subsequent quarter to their revenue recognition. The Company considers unbilled receivables as short-term in nature as they are normally converted to trade receivables within 90 days, thus future changes in economic conditions will not have a significant effect on the credit loss estimate.
Earnings (loss) per Share	Earnings (loss) per Share Basic earnings (loss) per share is computed by dividing net income (loss) by the weighted-average number of shares outstanding during the period. Diluted earnings per share is computed by dividing net income (loss) by the sum of (1) the weighted-average number of shares of common stock outstanding during the period, and (2) the dilutive effect of assumed conversion of equity awards using the treasury stock method. With respect to the number of weighted-average shares outstanding (denominator), diluted shares reflects: (i) the exercise of options to acquire common stock to the extent that the options’ exercise prices are less than the average market price of common shares during the period and (ii) the pro forma vesting of restricted stock units.
Fair Value Measurements	Fair Value Measurements The Company performs fair value measurements in accordance with the guidance provided by ASC 820, Fair Value Measurements and Disclosures. ASC 820 defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. It also establishes a three level hierarchy that prioritizes the inputs used to measure fair value. Financial instruments measured at fair value on a recurring basis The fair value of contingent consideration liabilities was estimated using a discounted cash flow technique with significant inputs that are not observable in the market and thus represents a Level 3 fair value measurement as defined in ASC 820. The significant inputs in the Level 3 measurement not supported by market activity include the probability assessments of expected future cash flows related to the acquisitions, appropriately discounted considering the uncertainties associated with the obligation, and as calculated in accordance with the terms of the applicable acquisition agreements. Financial instruments not measured at fair value on a recurring basis The Company has evaluated current market conditions and borrower credit quality and has determined that the carrying value of its long-term debt approximates fair value. The fair value of the Company’s notes payable and finance lease obligations approximates their carrying amounts based on anticipated interest rates which management believes would currently be available to the Company for similar issuances of debt.
Segment Disclosure	Segment Disclosure The Company’s three operating segments are: •North America. This segment provides asset protection solutions predominantly in North America, with the largest concentration in the United States, followed by Canada, consisting primarily of NDT, inspection, mechanical and engineering services that are used to evaluate the safety, structural integrity and reliability of critical energy, industrial and public infrastructure and commercial aerospace components. Software, digital and data services are included in this segment. •International. This segment offers services, products and systems similar to those of the other segments to select markets within Europe, the Middle East, Africa, Asia and South America, but not to customers in China and South Korea, which are served by the Products and Systems segment. •Products and Systems. This segment designs, manufactures, sells, installs and services the Company’s asset protection products and systems, including equipment and instrumentation, predominantly in the United States. Costs incurred for general corporate services, including finance, legal, and certain other costs that are provided to the segments are reported within Corporate and eliminations. Sales to the International segment from the Products and Systems segment and subsequent sales by the International segment of the same items are recorded and reflected in the operating performance of both segments. Additionally, engineering charges and royalty fees charged to the North America and International segments by the Products and Systems segment are reflected in the operating performance of each segment. The accounting policies of the reportable segments are the same as those described in Note 1-Description of Business and Basis of Presentation. Segment income from operations is one of the primary performance measures used by the chief operating decision maker, to assess the performance of each segment and make resource allocation decisions. Certain general and administrative costs such as human resources, information technology and training are allocated to the segments. Segment income from operations excludes interest and other financial charges and income taxes. Corporate and other assets are comprised principally of cash, deposits, property, plant and equipment, domestic deferred taxes, deferred charges and other assets. Corporate loss from operations consists of administrative charges related to corporate personnel and other charges that cannot be readily identified for allocation to a particular segment.

Revenue (Tables)

6 Months Ended

Jun. 30, 2023

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregated Revenues

The following series of tables present the Company’s disaggregated revenue:

Revenue by industry was as follows:


Three Months Ended June 30, 2023	North America		International		Products		Corp/Elim		Total
Oil & Gas	$	97,500	$	8,609	$	15	$	—	$	106,124
Aerospace & Defense	13,665		5,136		217		—		19,018
Industrials	11,066		6,203		468		—		17,737
Power generation & Transmission	5,459		1,530		1,167		—		8,156
Other Process Industries	8,864		4,466		51		—		13,381
Infrastructure, Research & Engineering	4,171		2,028		547		—		6,746
Petrochemical	1,577		156		—		—		1,733
Other	3,248		2,149		864		(3,126)		3,135
Total	$	145,550	$	30,277	$	3,329	$	(3,126)	$	176,030


Three Months Ended June 30, 2022	North America		International		Products		Corp/Elim		Total
Oil & Gas	$	93,098	$	8,028	$	139	$	—	$	101,265
Aerospace & Defense	17,300		5,118		26		—		22,444
Industrials	9,794		6,506		333		—		16,633
Power generation & Transmission	8,378		1,997		678		—		11,053
Other Process Industries	11,641		3,754		14		—		15,409
Infrastructure, Research & Engineering	3,183		2,193		442		—		5,818
Petrochemical	3,584		55		—		—		3,639
Other	2,550		1,959		1,020		(2,759)		2,770
Total	$	149,528	$	29,610	$	2,652	$	(2,759)	$	179,031


Six Months Ended June 30, 2023	North America		International		Products		Corp/Elim		Total
Oil & Gas	$	187,273	$	17,464	$	52	$	—	$	204,789
Aerospace & Defense	27,276		10,116		228		—		37,620
Industrials	20,368		12,256		1,026		—		33,650
Power generation & Transmission	10,446		3,187		2,493		—		16,126
Other Process Industries	17,973		7,703		78		—		25,754
Infrastructure, Research & Engineering	6,654		4,164		1,689		—		12,507
Petrochemical	6,714		301		—		—		7,015
Other	5,778		4,493		1,502		(5,188)		6,585
Total	$	282,482	$	59,684	$	7,068	$	(5,188)	$	344,046



Six Months Ended June 30, 2022	North America		International		Products		Corp/Elim		Total
Oil & Gas	$	179,711	$	15,600	$	177	$	—	$	195,488
Aerospace & Defense	32,322		10,058		134		—		42,514
Industrials	18,801		12,034		835		—		31,670
Power generation & Transmission	12,200		4,559		1,523		—		18,282
Other Process Industries	21,934		7,272		15		—		29,221
Infrastructure, Research & Engineering	5,689		4,232		1,339		—		11,260
Petrochemical	6,629		133		—		—		6,762
Other	5,188		3,860		1,565		(5,117)		5,496
Total	$	282,474	$	57,748	$	5,588	$	(5,117)	$	340,693

Revenue per key geographic location was as follows:


Three Months Ended June 30, 2023	North America		International		Products		Corp/Elim		Total
United States	$	122,972	$	280	$	1,645	$	(271)	$	124,626
Other Americas	21,041		3,821		298		(1,474)		23,686
Europe	1,282		24,474		504		(1,166)		25,094
Asia-Pacific	255		1,702		882		(215)		2,624
Total	$	145,550	$	30,277	$	3,329	$	(3,126)	$	176,030


Three Months Ended June 30, 2022	North America		International		Products		Corp/Elim		Total
United States	$	126,286	$	334	$	1,492	$	(567)	$	127,545
Other Americas	22,553		1,376		168		(1,105)		22,992
Europe	415		27,353		514		(955)		27,327
Asia-Pacific	274		547		478		(132)		1,167
Total	$	149,528	$	29,610	$	2,652	$	(2,759)	$	179,031


Six Months Ended June 30, 2023	North America		International		Products		Corp/Elim		Total
United States	$	243,572	$	589	$	3,446	$	(869)	$	246,738
Other Americas	35,311		7,310		624		(1,906)		41,339
Europe	2,694		48,657		765		(1,992)		50,124
Asia-Pacific	905		3,128		2,233		(421)		5,845
Total	$	282,482	$	59,684	$	7,068	$	(5,188)	$	344,046



Six Months Ended June 30, 2022	North America		International		Products		Corp/Elim		Total
United States	$	240,221	$	507	$	2,843	$	(1,222)	$	242,349
Other Americas	40,605		2,717		184		(1,714)		41,792
Europe	1,159		53,273		1,094		(1,879)		53,647
Asia-Pacific	489		1,251		1,467		(302)		2,905
Total	$	282,474	$	57,748	$	5,588	$	(5,117)	$	340,693

Share-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2023

Share-Based Payment Arrangement [Abstract]

Schedule of Vesting Activity of Restricted Stock Unit Awards

A summary of the vesting activity of restricted stock unit awards, with the respective fair value of the awards, is as follows:


	Six months ended June 30,
	2023		2022
Restricted stock awards vested	430		326
Fair value of awards vested	$	2,616	$	2,164

Schedule of Fully-vested Common Stock Issued to Non-employee Directors

A summary of the fully-vested common stock the Company issued to its six non-employee directors, in connection with its non-employee director compensation plan, is as follows:


	Six months ended June 30,
	2023		2022
Awards issued	48		34
Grant date fair value of awards issued	$	275	$	225

Schedule of Company's Outstanding, Nonvested Restricted Share Units and Performance Restricted Stock Units

A summary of the Company’s outstanding, non-vested restricted share units is as follows:


	Six months ended June 30,
	2023			2022
	Units	Weighted Average Grant-Date Fair Value		Units	Weighted Average Grant-Date Fair Value
Outstanding at beginning of period:	1,415	$	6.66	1,208	$	7.96
Granted	581	$	8.42	675	$	7.65
Released	(430)	$	6.09	(326)	$	10.03
Forfeited	(98)	$	7.94	(20)	$	8.49
Outstanding at end of period:	1,468	$	7.62	1,537	$	7.38

A summary of the Company’s PRSU activity is as follows:


	Six months ended June 30,
	2023			2022
	Units	Weighted Average Grant-Date Fair Value		Units	Weighted Average Grant-Date Fair Value
Outstanding at beginning of period:	280	$	9.96	388	$	10.07
Granted	282	$	8.50	341	$	6.55
Performance condition adjustments	(215)	$	8.27	(163)	$	8.34
Released	(64)	$	5.58	(17)	$	6.85
Forfeited	(84)	$	6.95	—	$	—
Outstanding at end of period:	199	$	9.45	549	$	9.12

Earnings (loss) per Share (Tables)

6 Months Ended

Jun. 30, 2023

Earnings Per Share [Abstract]

Schedule of Computations of Basic and Diluted Earnings (Loss) per Share

The following table sets forth the computations of basic and diluted earnings (loss) per share:


	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022

Basic earnings (loss) per share
Numerator:
Net income (loss) attributable to Mistras Group, Inc.	$	337	$	4,643	$	(4,649)	$	(720)
Denominator:
Weighted average common shares outstanding	30,368		29,957		30,214		29,840
Basic earnings (loss) per share	$	0.01	$	0.15	$	(0.15)	$	(0.02)

Diluted earnings (loss) per share:
Numerator:
Net income (loss) attributable to Mistras Group, Inc.	$	337	$	4,643	$	(4,649)	$	(720)
Denominator:
Weighted average common shares outstanding	30,368		29,957		30,214		29,840

Dilutive effect of restricted stock units outstanding (1)	292		276		—		—
	30,660		30,233		30,214		29,840
Diluted earnings (loss) per share	$	0.01	$	0.15	$	(0.15)	$	(0.02)

_______________

Acquisitions (Tables)

6 Months Ended

Jun. 30, 2023

Business Combination and Asset Acquisition [Abstract]

Schedule of Acquisition-related Expense

These amounts are reported as Acquisition-related expense, net on the Unaudited Condensed Consolidated Statements of Income (Loss) and were as follows for the three and six months ended June 30, 2023 and 2022:


	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022
Due diligence, professional fees and other transaction costs	$	1	$	13	$	3	$	18
Adjustments to fair value of contingent consideration liabilities			—				45
Acquisition-related expense, net	$	1	$	13	$	3	$	63

Accounts Receivable, net (Tables)

6 Months Ended

Jun. 30, 2023

Receivables [Abstract]

Schedule of Accounts Receivable, Net

Accounts receivable consisted of the following:


	June 30, 2023		December 31, 2022

Trade accounts receivable	$	120,634	$	127,767
Allowance for credit losses	(1,861)		(4,110)
Accounts receivable, net	$	118,773	$	123,657

Inventory (Tables)

6 Months Ended

Jun. 30, 2023

Inventory Disclosure [Abstract]

Schedule of Inventory

Inventories consist of the following (in thousands):


	June 30, 2023		December 31, 2022

Raw materials and consumable supplies	$	8,841	$	7,745
Work in progress and finished goods	7,226		5,811
Inventories	$	16,067	$	13,556

Property, Plant and Equipment, net (Tables)

6 Months Ended

Jun. 30, 2023

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant and Equipment, net

Property, plant and equipment consisted of the following:


	Useful Life (Years)	June 30, 2023		December 31, 2022

Land		$	2,449	$	2,529
Buildings and improvements	30-40	25,815		24,800
Office furniture and equipment	5-8	22,270		18,057
Machinery and equipment	5-7	259,697		251,282
		310,231		296,668
Accumulated depreciation and amortization		(228,934)		(219,107)
Property, plant and equipment, net		$	81,297	$	77,561

Goodwill (Tables)

6 Months Ended

Jun. 30, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in Carrying Amount of Goodwill

Changes in the carrying amount of goodwill by segment is shown below:


	North America		International		Products and Systems		Total
Balance at December 31, 2022	$	185,710	$	13,925	$	—	$	199,635



Foreign currency translation	1,658		293		—		1,951
Balance at June 30, 2023	$	187,368	$	14,218	$	—	$	201,586

Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2023

Intangible Assets, Net (Excluding Goodwill) [Abstract]

Schedule of Net Carrying Amount of Intangible Assets

The gross amount, accumulated amortization and net carrying amount of intangible assets were as follows:


		June 30, 2023				December 31, 2022
	Useful Life (Years)	Gross Amount		Accumulated Amortization		Net Carrying Amount		Gross Amount		Accumulated Amortization		Net Carrying Amount

Customer relationships	5-18	$	110,469	$	(87,519)	$	22,950	$	109,683	$	(84,130)	$	25,553
Software/Technology	3-15	52,759		(30,550)		22,209		51,028		(28,669)		22,359
Covenants not to compete	2-5	12,534		(12,472)		62		12,488		(12,416)		72
Other	2-12	10,457		(9,533)		924		10,389		(9,358)		1,031
Total		$	186,219	$	(140,074)	$	46,145	$	183,588	$	(134,573)	$	49,015

Accrued Expenses and Other Current Liabilities (Tables)

6 Months Ended

Jun. 30, 2023

Payables and Accruals [Abstract]

Schedule of Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consisted of the following:


	June 30, 2023		December 31, 2022

Accrued salaries, wages and related employee benefits	$	26,811	$	26,684
Contingent consideration, current portion	—		937
Accrued workers’ compensation and health benefits	3,760		3,660
Deferred revenue	9,257		7,521
Pension accrual	2,458		2,519
Right-of-use liability - Operating	10,603		10,376
Other accrued expenses	26,083		26,147
Total	$	78,972	$	77,844

Long-Term Debt (Tables)

6 Months Ended

Jun. 30, 2023

Debt Disclosure [Abstract]

Schedule of Long-term Debt

Long-term debt consisted of the following:


	June 30, 2023		December 31, 2022

Senior credit facility	$	61,150	$	65,250
Senior secured term loan, net of unamortized debt issuance costs of $0.5 million and $0.5 million, respectively	118,326		121,399

Other	4,195		4,602
Total debt	183,671		191,251
Less: Current portion	(7,550)		(7,425)
Long-term debt, net of current portion	$	176,121	$	183,826

Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2023

Fair Value Disclosures [Abstract]

Schedule of Changes in Fair Value of Level 3 Contingent Consideration

The following table represents the changes in the fair value of Level 3 contingent consideration:


	Six months ended June 30,
	2023		2022
Beginning balance	$	938	$	1,831

Payments	(938)		(938)

Revaluation	—		45

Ending balance	$	—	$	938

Segment Disclosure (Tables)

6 Months Ended

Jun. 30, 2023

Segment Reporting [Abstract]

Schedule of Selected Consolidated Financial Information by Segment

Selected consolidated financial information by segment for the periods shown was as follows: (with intercompany transactions eliminated in Corporate and eliminations)


	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022
Revenue
North America	$	145,550	$	149,528	$	282,482	$	282,474
International	30,277		29,610		59,684		57,748
Products and Systems	3,329		2,652		7,068		5,588
Corporate and eliminations	(3,126)		(2,759)		(5,188)		(5,117)
	$	176,030	$	179,031	$	344,046	$	340,693


	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022
Gross profit
North America	$	39,679	$	42,954	$	76,316	$	73,479
International	8,398		9,440		15,766		17,630
Products and Systems	1,614		1,157		3,676		2,325
Corporate and eliminations	31		7		41		16
	$	49,722	$	53,558	$	95,799	$	93,450

Income (loss) from operations by operating segment includes intercompany transactions, which are eliminated in Corporate and eliminations.


	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022
Income (loss) from operations
North America	$	12,338	$	14,855	$	21,715	$	18,615
International	507		1,580		(61)		1,864
Products and Systems	94		(420)		478		(1,002)
Corporate and eliminations	(9,046)		(6,439)		(20,067)		(14,600)
	$	3,893	$	9,576	$	2,065	$	4,877


	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022
Depreciation and amortization
North America	$	6,370	$	6,166	$	12,727	$	12,759
International	1,889		1,919		3,748		3,977
Products and Systems	87		120		343		337
Corporate and eliminations	(37)		(77)		(96)		(138)
	$	8,309	$	8,128	$	16,722	$	16,935


	June 30, 2023		December 31, 2022
Intangible assets, net
North America	$	40,650	$	43,260
International	3,758		4,422
Products and Systems	1,267		1,208
Corporate and eliminations	470		125
	$	46,145	$	49,015


	June 30, 2023		December 31, 2022
Total assets
North America	$	408,583	$	407,779
International	105,751		104,531
Products and Systems	13,127		12,408
Corporate and eliminations	13,485		10,186
	$	540,946	$	534,904

Description of Business and Basis of Presentation - Narrative (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023 USD ($)	Jun. 30, 2022	Jun. 30, 2023 USD ($) segment	Jun. 30, 2022
Tax Credit Carryforward [Line Items]
Number of operating segments \| segment			3
Effective income tax rate	(974.30%)	37.40%	21.50%	183.60%
Foreign Tax Authority
Tax Credit Carryforward [Line Items]
Valuation allowance recorded during the period related to deferred tax assets \| $	$ 0.7		$ 0.7

Revenue - Narrative (Details) - USD ($) $ in Millions	6 Months Ended
Revenue - Narrative (Details) - USD ($) $ in Millions	Jun. 30, 2023	Jun. 30, 2022
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue recognized that was included in contract liability balance at the beginning of the year	$ 4.6	$ 1.4
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-07-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, expected timing of satisfaction period	1 year

Revenue - Disaggregated Revenues (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Disaggregation of Revenue [Line Items]
Revenue	$ 176,030	$ 179,031	$ 344,046	$ 340,693
United States
Disaggregation of Revenue [Line Items]
Revenue	124,626	127,545	246,738	242,349
Other Americas
Disaggregation of Revenue [Line Items]
Revenue	23,686	22,992	41,339	41,792
Europe
Disaggregation of Revenue [Line Items]
Revenue	25,094	27,327	50,124	53,647
Asia-Pacific
Disaggregation of Revenue [Line Items]
Revenue	2,624	1,167	5,845	2,905
Oil & Gas
Disaggregation of Revenue [Line Items]
Revenue	106,124	101,265	204,789	195,488
Aerospace & Defense
Disaggregation of Revenue [Line Items]
Revenue	19,018	22,444	37,620	42,514
Industrials
Disaggregation of Revenue [Line Items]
Revenue	17,737	16,633	33,650	31,670
Power generation & Transmission
Disaggregation of Revenue [Line Items]
Revenue	8,156	11,053	16,126	18,282
Other Process Industries
Disaggregation of Revenue [Line Items]
Revenue	13,381	15,409	25,754	29,221
Infrastructure, Research & Engineering
Disaggregation of Revenue [Line Items]
Revenue	6,746	5,818	12,507	11,260
Petrochemical
Disaggregation of Revenue [Line Items]
Revenue	1,733	3,639	7,015	6,762
Other
Disaggregation of Revenue [Line Items]
Revenue	3,135	2,770	6,585	5,496
Operating segments \| North America
Disaggregation of Revenue [Line Items]
Revenue	145,550	149,528	282,482	282,474
Operating segments \| North America \| United States
Disaggregation of Revenue [Line Items]
Revenue	122,972	126,286	243,572	240,221
Operating segments \| North America \| Other Americas
Disaggregation of Revenue [Line Items]
Revenue	21,041	22,553	35,311	40,605
Operating segments \| North America \| Europe
Disaggregation of Revenue [Line Items]
Revenue	1,282	415	2,694	1,159
Operating segments \| North America \| Asia-Pacific
Disaggregation of Revenue [Line Items]
Revenue	255	274	905	489
Operating segments \| North America \| Oil & Gas
Disaggregation of Revenue [Line Items]
Revenue	97,500	93,098	187,273	179,711
Operating segments \| North America \| Aerospace & Defense
Disaggregation of Revenue [Line Items]
Revenue	13,665	17,300	27,276	32,322
Operating segments \| North America \| Industrials
Disaggregation of Revenue [Line Items]
Revenue	11,066	9,794	20,368	18,801
Operating segments \| North America \| Power generation & Transmission
Disaggregation of Revenue [Line Items]
Revenue	5,459	8,378	10,446	12,200
Operating segments \| North America \| Other Process Industries
Disaggregation of Revenue [Line Items]
Revenue	8,864	11,641	17,973	21,934
Operating segments \| North America \| Infrastructure, Research & Engineering
Disaggregation of Revenue [Line Items]
Revenue	4,171	3,183	6,654	5,689
Operating segments \| North America \| Petrochemical
Disaggregation of Revenue [Line Items]
Revenue	1,577	3,584	6,714	6,629
Operating segments \| North America \| Other
Disaggregation of Revenue [Line Items]
Revenue	3,248	2,550	5,778	5,188
Operating segments \| International
Disaggregation of Revenue [Line Items]
Revenue	30,277	29,610	59,684	57,748
Operating segments \| International \| United States
Disaggregation of Revenue [Line Items]
Revenue	280	334	589	507
Operating segments \| International \| Other Americas
Disaggregation of Revenue [Line Items]
Revenue	3,821	1,376	7,310	2,717
Operating segments \| International \| Europe
Disaggregation of Revenue [Line Items]
Revenue	24,474	27,353	48,657	53,273
Operating segments \| International \| Asia-Pacific
Disaggregation of Revenue [Line Items]
Revenue	1,702	547	3,128	1,251
Operating segments \| International \| Oil & Gas
Disaggregation of Revenue [Line Items]
Revenue	8,609	8,028	17,464	15,600
Operating segments \| International \| Aerospace & Defense
Disaggregation of Revenue [Line Items]
Revenue	5,136	5,118	10,116	10,058
Operating segments \| International \| Industrials
Disaggregation of Revenue [Line Items]
Revenue	6,203	6,506	12,256	12,034
Operating segments \| International \| Power generation & Transmission
Disaggregation of Revenue [Line Items]
Revenue	1,530	1,997	3,187	4,559
Operating segments \| International \| Other Process Industries
Disaggregation of Revenue [Line Items]
Revenue	4,466	3,754	7,703	7,272
Operating segments \| International \| Infrastructure, Research & Engineering
Disaggregation of Revenue [Line Items]
Revenue	2,028	2,193	4,164	4,232
Operating segments \| International \| Petrochemical
Disaggregation of Revenue [Line Items]
Revenue	156	55	301	133
Operating segments \| International \| Other
Disaggregation of Revenue [Line Items]
Revenue	2,149	1,959	4,493	3,860
Operating segments \| Products
Disaggregation of Revenue [Line Items]
Revenue	3,329	2,652	7,068	5,588
Operating segments \| Products \| United States
Disaggregation of Revenue [Line Items]
Revenue	1,645	1,492	3,446	2,843
Operating segments \| Products \| Other Americas
Disaggregation of Revenue [Line Items]
Revenue	298	168	624	184
Operating segments \| Products \| Europe
Disaggregation of Revenue [Line Items]
Revenue	504	514	765	1,094
Operating segments \| Products \| Asia-Pacific
Disaggregation of Revenue [Line Items]
Revenue	882	478	2,233	1,467
Operating segments \| Products \| Oil & Gas
Disaggregation of Revenue [Line Items]
Revenue	15	139	52	177
Operating segments \| Products \| Aerospace & Defense
Disaggregation of Revenue [Line Items]
Revenue	217	26	228	134
Operating segments \| Products \| Industrials
Disaggregation of Revenue [Line Items]
Revenue	468	333	1,026	835
Operating segments \| Products \| Power generation & Transmission
Disaggregation of Revenue [Line Items]
Revenue	1,167	678	2,493	1,523
Operating segments \| Products \| Other Process Industries
Disaggregation of Revenue [Line Items]
Revenue	51	14	78	15
Operating segments \| Products \| Infrastructure, Research & Engineering
Disaggregation of Revenue [Line Items]
Revenue	547	442	1,689	1,339
Operating segments \| Products \| Petrochemical
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Operating segments \| Products \| Other
Disaggregation of Revenue [Line Items]
Revenue	864	1,020	1,502	1,565
Corp/Elim
Disaggregation of Revenue [Line Items]
Revenue	(3,126)	(2,759)	(5,188)	(5,117)
Corp/Elim \| United States
Disaggregation of Revenue [Line Items]
Revenue	(271)	(567)	(869)	(1,222)
Corp/Elim \| Other Americas
Disaggregation of Revenue [Line Items]
Revenue	(1,474)	(1,105)	(1,906)	(1,714)
Corp/Elim \| Europe
Disaggregation of Revenue [Line Items]
Revenue	(1,166)	(955)	(1,992)	(1,879)
Corp/Elim \| Asia-Pacific
Disaggregation of Revenue [Line Items]
Revenue	(215)	(132)	(421)	(302)
Corp/Elim \| Oil & Gas
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Corp/Elim \| Aerospace & Defense
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Corp/Elim \| Industrials
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Corp/Elim \| Power generation & Transmission
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Corp/Elim \| Other Process Industries
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Corp/Elim \| Infrastructure, Research & Engineering
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Corp/Elim \| Petrochemical
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Corp/Elim \| Other
Disaggregation of Revenue [Line Items]
Revenue	$ (3,126)	$ (2,759)	$ (5,188)	$ (5,117)

Share-Based Compensation - Equity Incentive Plans (Details)		6 Months Ended
	May 23, 2022 shares	Jun. 30, 2023 plan shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of equity incentive plans \| plan		2
2009 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of awards that may be granted (in shares)		0
2016 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of awards that may be granted (in shares)		1,200,000
Increase in total number of shares authorized for issuance (in shares)	1,200,000
Total number of shares authorized for issuance (in shares)	4,900,000

Share-Based Compensation - Stock Options (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized share-based compensation expense	$ 0	$ 0	$ 0	$ 0

Share-Based Compensation - Restricted Stock Unit Awards - Narrative (Details) - Restricted Stock Unit Awards - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized share-based compensation expense (benefit)	$ 0.8	$ 0.9	$ 1.8	$ 1.9
Unrecognized compensation cost, net of estimated forfeitures	$ 9.2		$ 9.2
Weighted-average period over which unrecognized compensation cost is expected to be recognized (years)			2 years 10 months 24 days

Share-Based Compensation - Vesting Activity of Restricted Stock Unit Awards (Details) - Restricted Stock Unit Awards - USD ($) shares in Thousands, $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock awards vested (in shares)	430	326
Fair value of awards vested	$ 2,616	$ 2,164

Share-Based Compensation - Fully-vested Common Stock Issued to Non-employee Directors (Details) - Common Stock - Non-employee Directors shares in Thousands, $ in Thousands	6 Months Ended
	Jun. 30, 2023 USD ($) director shares	Jun. 30, 2022 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of non-employee directors to whom fully vested common stock is granted \| director	6
Awards issued (in shares) \| shares	48	34
Grant date fair value of awards issued \| $	$ 275	$ 225

Share-Based Compensation - Restricted Stock Units Awards - Activity (Details) - Restricted Stock Unit Awards - $ / shares shares in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Restricted Stock Units Awards (Units)
Outstanding at beginning of period (in shares)	1,415	1,208
Granted (in shares)	581	675
Released (in shares)	(430)	(326)
Forfeited (in shares)	(98)	(20)
Outstanding at end of period (in shares)	1,468	1,537
Weighted Average Grant-Date Fair Value (in dollars per share)
Outstanding at the beginning of period (in dollars per share)	$ 6.66	$ 7.96
Granted (in dollars per share)	8.42	7.65
Released (in dollars per share)	6.09	10.03
Forfeited (in dollars per share)	7.94	8.49
Outstanding at end of period (in dollars per share)	$ 7.62	$ 7.38

Share-Based Compensation - Performance Restricted Stock Units - Narrative (Details) - PRSUs shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023 USD ($) shares	Jun. 30, 2022 USD ($) shares	Jun. 30, 2023 USD ($) metric shares	Jun. 30, 2022 USD ($) shares	Dec. 31, 2022 shares	Dec. 31, 2021 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of units increased (decreased) during the period (in shares) \| shares			215
Recognized share-based compensation expense (benefit) \| $	$ 0.2	$ 0.3	$ 0.6	$ 0.6
Unrecognized compensation cost \| $	$ 1.5		$ 1.5
Nonvested shares outstanding (in shares) \| shares	199	549	199	549	280	388
Weighted-average period over which unrecognized compensation cost is expected to be recognized (years)			1 year 7 months 6 days
Executive and Senior Officers
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance period (years)			1 year
Award vesting period			4 years
Requisite service period			5 years
Executive and Senior Officers \| Anniversary 1
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage (ratably on each of the first four anniversary date)			25.00%
Executive and Senior Officers \| Anniversary 2
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage (ratably on each of the first four anniversary date)			25.00%
Executive and Senior Officers \| Anniversary 3
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage (ratably on each of the first four anniversary date)			25.00%
Executive and Senior Officers \| Anniversary 4
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage (ratably on each of the first four anniversary date)			25.00%
Executive Officers
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance period (years)			1 year
Number of performance award metrics \| metric			3
Average share price trading period			20 days
Last days trading period			20 days
Dividend yield			0.00%

Share-Based Compensation - Performance Restricted Stock Units - Activity (Details) - PRSUs - $ / shares shares in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Performance Restricted Stock (Units)
Outstanding at beginning of period (in shares)	280	388
Granted (in shares)	282	341
Performance condition adjustments (in shares)	(215)	(163)
Released (in shares)	(64)	(17)
Forfeited (in shares)	(84)	0
Outstanding at end of period (in shares)	199	549
Weighted Average Grant-Date Fair Value (in dollars per share)
Outstanding at the beginning of period (in dollars per share)	$ 9.96	$ 10.07
Granted (in dollars per share)	8.50	6.55
Performance condition adjustments (in dollars per share)	8.27	8.34
Released (in dollars per share)	5.58	6.85
Forfeited (in dollars per share)	6.95	0
Outstanding at end of period (in dollars per share)	$ 9.45	$ 9.12

Earnings (loss) per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Basic earnings (loss) per share
Net income (loss) attributable to Mistras Group, Inc.	$ 337	$ 4,643	$ (4,649)	$ (720)
Denominator:
Weighted average common shares outstanding, basic (in shares)	30,368,000	29,957,000	30,214,000	29,840,000
Basic earnings (loss) per share (in dollars per share)	$ 0.01	$ 0.15	$ (0.15)	$ (0.02)
Denominator:
Weighted average common shares outstanding, basic (in shares)	30,368,000	29,957,000	30,214,000	29,840,000
Dilutive effect of restricted stock units outstanding (in shares)	292,000	276,000	0	0
Weighted average common shares outstanding, diluted (in shares)	30,660,000	30,233,000	30,214,000	29,840,000
Diluted earnings (loss) per share (in dollars per share)	$ 0.01	$ 0.15	$ (0.15)	$ (0.02)
Restricted Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive shares excluded from computation of diluted EPS due to net income (loss) for the period (in shares)			1,106,595	1,412,073

Acquisitions (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
Acquisitions (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Business Combination and Asset Acquisition [Abstract]
Due diligence, professional fees and other transaction costs	$ 1	$ 13	$ 3	$ 18
Adjustments to fair value of contingent consideration liabilities		0		45
Acquisition-related expense, net	$ 1	$ 13	$ 3	$ 63

Accounts Receivable, net - Schedule of Accounts Receivable, net (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Receivables [Abstract]
Trade accounts receivable	$ 120,634	$ 127,767
Allowance for credit losses	(1,861)	(4,110)
Accounts receivable, net	$ 118,773	$ 123,657

Accounts Receivable, net - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unbilled revenues accrued		$ 20,500		$ 20,500		$ 13,500
Past due receivables outstanding		118,773		118,773		$ 123,657
Bad debt provision for troubled customers, net of recoveries		$ 0	$ 289	$ 0	$ 289
Texas Customer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due receivables outstanding	$ 1,400
Amount of damages claimed	1,400
Texas Customer \| Litigation and Commercial Claims
Accounts, Notes, Loans and Financing Receivable [Line Items]
Bad debt provision for troubled customers, net of recoveries	$ 1,400

Inventory (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Inventory Disclosure [Abstract]
Raw materials and consumable supplies	$ 8,841	$ 7,745
Work in progress and finished goods	7,226	5,811
Inventories	$ 16,067	$ 13,556

Property, Plant and Equipment, net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Property, Plant and Equipment, net
Property, plant and equipment, gross	$ 310,231		$ 310,231		$ 296,668
Accumulated depreciation and amortization	(228,934)		(228,934)		(219,107)
Property, plant and equipment, net	81,297		81,297		77,561
Depreciation expense	6,200	$ 5,800	12,400	$ 12,300
Land
Property, Plant and Equipment, net
Property, plant and equipment, gross	2,449		2,449		2,529
Buildings and improvements
Property, Plant and Equipment, net
Property, plant and equipment, gross	$ 25,815		$ 25,815		24,800
Buildings and improvements \| Minimum
Property, Plant and Equipment, net
Useful Life (Years)	30 years		30 years
Buildings and improvements \| Maximum
Property, Plant and Equipment, net
Useful Life (Years)	40 years		40 years
Office furniture and equipment
Property, Plant and Equipment, net
Property, plant and equipment, gross	$ 22,270		$ 22,270		18,057
Office furniture and equipment \| Minimum
Property, Plant and Equipment, net
Useful Life (Years)	5 years		5 years
Office furniture and equipment \| Maximum
Property, Plant and Equipment, net
Useful Life (Years)	8 years		8 years
Machinery and equipment
Property, Plant and Equipment, net
Property, plant and equipment, gross	$ 259,697		$ 259,697		$ 251,282
Machinery and equipment \| Minimum
Property, Plant and Equipment, net
Useful Life (Years)	5 years		5 years
Machinery and equipment \| Maximum
Property, Plant and Equipment, net
Useful Life (Years)	7 years		7 years

Goodwill - Changes in Carrying Amount of Goodwill (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2023 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 199,635
Foreign currency translation	1,951
Ending balance	201,586
North America
Goodwill [Roll Forward]
Beginning balance	185,710
Foreign currency translation	1,658
Ending balance	187,368
International
Goodwill [Roll Forward]
Beginning balance	13,925
Foreign currency translation	293
Ending balance	14,218
Products and Systems
Goodwill [Roll Forward]
Beginning balance	0
Foreign currency translation	0
Ending balance	$ 0

Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Gross Amount	$ 186,219		$ 186,219		$ 183,588
Accumulated Amortization	(140,074)		(140,074)		(134,573)
Net Carrying Amount	46,145		46,145		49,015
Amortization expense of intangibles	2,200	$ 2,300	4,300	$ 4,600
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Amount	110,469		110,469		109,683
Accumulated Amortization	(87,519)		(87,519)		(84,130)
Net Carrying Amount	$ 22,950		$ 22,950		25,553
Customer relationships \| Minimum
Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	5 years		5 years
Customer relationships \| Maximum
Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	18 years		18 years
Software/Technology
Finite-Lived Intangible Assets [Line Items]
Gross Amount	$ 52,759		$ 52,759		51,028
Accumulated Amortization	(30,550)		(30,550)		(28,669)
Net Carrying Amount	$ 22,209		$ 22,209		22,359
Software/Technology \| Minimum
Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	3 years		3 years
Software/Technology \| Maximum
Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	15 years		15 years
Covenants not to compete
Finite-Lived Intangible Assets [Line Items]
Gross Amount	$ 12,534		$ 12,534		12,488
Accumulated Amortization	(12,472)		(12,472)		(12,416)
Net Carrying Amount	$ 62		$ 62		72
Covenants not to compete \| Minimum
Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	2 years		2 years
Covenants not to compete \| Maximum
Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	5 years		5 years
Other
Finite-Lived Intangible Assets [Line Items]
Gross Amount	$ 10,457		$ 10,457		10,389
Accumulated Amortization	(9,533)		(9,533)		(9,358)
Net Carrying Amount	$ 924		$ 924		$ 1,031
Other \| Minimum
Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	2 years		2 years
Other \| Maximum
Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	12 years		12 years

Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Payables and Accruals [Abstract]
Accrued salaries, wages and related employee benefits	$ 26,811	$ 26,684
Contingent consideration, current portion	0	937
Accrued workers’ compensation and health benefits	3,760	3,660
Deferred revenue	9,257	7,521
Pension accrual	2,458	2,519
Right-of-use liability - Operating	10,603	10,376
Other accrued expenses	26,083	26,147
Total	$ 78,972	$ 77,844

Long-Term Debt - Schedule of Long-Term Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Total debt	$ 183,671	$ 191,251
Less: Current portion	(7,550)	(7,425)
Long-term debt, net of current portion	176,121	183,826
Senior credit facility
Debt Instrument [Line Items]
Total debt	61,150	65,250
Senior credit facility \| Senior Secured Term Loan
Debt Instrument [Line Items]
Unamortized debt issuance costs	500	500
Total debt	118,326	121,399
Other
Debt Instrument [Line Items]
Total debt	$ 4,195	$ 4,602

Long-Term Debt - Narrative (Details)		3 Months Ended	6 Months Ended
Long-Term Debt - Narrative (Details)	Aug. 01, 2022 USD ($)	Sep. 30, 2022 USD ($)	Jun. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)	May 19, 2021 USD ($)
Debt Instrument [Line Items]
Debt outstanding			$ 183,671,000	$ 191,251,000
Line of Credit \| Prior Credit Agreement \| Senior credit facility
Debt Instrument [Line Items]
Maximum borrowing capacity					$ 150,000,000
Line of Credit \| Prior Credit Agreement \| Secured Debt
Debt Instrument [Line Items]
Term loan					$ 100,000,000
Line of Credit \| Credit Agreement
Debt Instrument [Line Items]
Consolidated debt ratio (less than)	1.25
Consolidated debt ratio (greater than)	3.75
Fixed charge coverage ratio	1.25
Number of days, written notice required prior to an acquisition	5 days
Amount of acquisition requiring written notice	$ 10,000,000
Line of Credit \| Credit Agreement \| Senior credit facility
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 190,000,000
Term of credit facility	5 years
Debt outstanding			119,000,000
Maximum borrowing capacity in non-U.S. Dollar currencies	$ 100,000,000
Line of Credit \| Credit Agreement \| Secured Debt
Debt Instrument [Line Items]
Term loan	125,000,000
Line of Credit \| Credit Agreement \| Letter of Credit
Debt Instrument [Line Items]
Maximum amount available for the issuance of letters of credit	$ 20,000,000
Line of Credit \| Credit Agreement \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate \| Minimum \| Variable Rate Component
Debt Instrument [Line Items]
SOFR margin range	1.25%
Line of Credit \| Credit Agreement \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate \| Maximum \| Variable Rate Component
Debt Instrument [Line Items]
SOFR margin range	2.75%
Line of Credit \| Credit Agreement \| Through June 30, 2023
Debt Instrument [Line Items]
Total consolidated debt leverage ratio	4.0
Line of Credit \| Credit Agreement \| After June 30, 2023
Debt Instrument [Line Items]
Total consolidated debt leverage ratio	3.75
Line of Credit \| Credit Agreement \| Through June 30, 2024
Debt Instrument [Line Items]
Debt periodic payments	$ 1,560,000
Line of Credit \| Credit Agreement \| Through June 30, 2025
Debt Instrument [Line Items]
Debt periodic payments	2,340,000
Line of Credit \| Credit Agreement \| After June 30, 2025
Debt Instrument [Line Items]
Debt periodic payments	$ 3,120,000
Senior credit facility
Debt Instrument [Line Items]
Debt outstanding			61,150,000	65,250,000
Outstanding borrowings			179,500,000
Outstanding letters of credit			2,900,000
Capitalized costs associated with debt modifications			1,300,000
Senior credit facility \| Credit Agreement
Debt Instrument [Line Items]
Capitalized unamortized issuance cost		$ 800,000
Finance costs incurred		1,600,000
Expensed finance costs		$ 200,000
Other
Debt Instrument [Line Items]
Debt outstanding			4,195,000	$ 4,602,000
Other \| Minimum
Debt Instrument [Line Items]
Debt periodic payments			$ 1,000
Interest rate			0.40%
Other \| Maximum
Debt Instrument [Line Items]
Debt periodic payments			$ 16,000
Interest rate			3.50%

Fair Value Measurements (Details) - Level 3 - Contingent Consideration - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 938	$ 1,831
Payments	(938)	(938)
Revaluation	0	45
Ending balance	$ 0	$ 938

Commitments and Contingencies (Details) $ in Thousands			1 Months Ended	3 Months Ended				6 Months Ended		12 Months Ended
Commitments and Contingencies (Details) $ in Thousands	Apr. 25, 2023 USD ($)	May 04, 2021 USD ($)	Dec. 31, 2019 USD ($) weld	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Mar. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Jun. 30, 2023 USD ($) claim	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)	Jan. 01, 2020 USD ($)
Litigation
Accounts receivable, net				$ 118,773				$ 118,773		$ 123,657
Contingency charges				150	$ (153)			150	$ (994)
Reserve for past due receivables				1,861				1,861		4,110
Pension accrual				2,458				2,458		2,519
Texas Customer
Litigation
Accounts receivable, net			$ 1,400
Amount of damages claimed			1,400
Litigation and Commercial Claims \| Various Pipeline Projects for Texas Customer
Litigation
Amount of damages claimed			$ 7,600
Litigation and Commercial Claims \| Texas Customer \| Various Pipeline Projects for Texas Customer
Litigation
Accounts receivable, net				1,400				$ 1,400
Number or welds not in compliance \| weld			66
Number of welds inspected (over) \| weld			16,000
Amount of damages claimed			$ 1,400
Amount awarded to other party	$ 300
Release of claim on receivables	$ 1,400
Contingency charges										$ 100
Reserve for past due receivables			$ 1,400
Class Action
Litigation
Amount awarded to other party		$ 2,300
Contingency charges						$ 1,600	$ 800
Number of proceedings \| claim								2
Class Action on Behalf of Employees
Litigation
Number of proceedings \| claim								1
Class Action on Behalf of State of California
Litigation
Number of proceedings \| claim								1
Pension Related Contingencies
Litigation
Pension accrual				2,500				$ 2,500
Severance and Labor Disputes \| Foreign Subsidiary \| Right to Customer Contracts \| Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Germany
Litigation
Contingency charges								100
Consideration received on sale of subsidiary											$ 100
Settlement liability				$ 200				200
Payments of severance obligations								400
Reversal of severance obligations								$ 1,000

Segment Disclosure (Details) $ in Thousands	3 Months Ended		6 Months Ended
Segment Disclosure (Details) $ in Thousands	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) segment	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Segment Reporting [Abstract]
Number of operating segments \| segment			3
Financial information by segment
Revenue	$ 176,030	$ 179,031	$ 344,046	$ 340,693
Gross profit	49,722	53,558	95,799	93,450
Income (loss) from operations	3,893	9,576	2,065	4,877
Depreciation and amortization	8,309	8,128	16,722	16,935
Intangible assets, net	46,145		46,145		$ 49,015
Total assets	540,946		540,946		534,904
Operating segments \| North America
Financial information by segment
Revenue	145,550	149,528	282,482	282,474
Gross profit	39,679	42,954	76,316	73,479
Income (loss) from operations	12,338	14,855	21,715	18,615
Depreciation and amortization	6,370	6,166	12,727	12,759
Intangible assets, net	40,650		40,650		43,260
Total assets	408,583		408,583		407,779
Operating segments \| International
Financial information by segment
Revenue	30,277	29,610	59,684	57,748
Gross profit	8,398	9,440	15,766	17,630
Income (loss) from operations	507	1,580	(61)	1,864
Depreciation and amortization	1,889	1,919	3,748	3,977
Intangible assets, net	3,758		3,758		4,422
Total assets	105,751		105,751		104,531
Operating segments \| Products and Systems
Financial information by segment
Revenue	3,329	2,652	7,068	5,588
Gross profit	1,614	1,157	3,676	2,325
Income (loss) from operations	94	(420)	478	(1,002)
Depreciation and amortization	87	120	343	337
Intangible assets, net	1,267		1,267		1,208
Total assets	13,127		13,127		12,408
Corporate and eliminations
Financial information by segment
Revenue	(3,126)	(2,759)	(5,188)	(5,117)
Gross profit	31	7	41	16
Income (loss) from operations	(9,046)	(6,439)	(20,067)	(14,600)
Depreciation and amortization	(37)	$ (77)	(96)	$ (138)
Intangible assets, net	470		470		125
Total assets	$ 13,485		$ 13,485		$ 10,186

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