Unaudited Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Statement [Abstract]
Revenue	$ 178,462	$ 174,556	$ 519,155	$ 505,968
Cost of revenue	119,110	116,750	354,848	341,780
Depreciation	5,568	5,590	17,074	16,635
Gross profit	53,784	52,216	147,233	147,553
Selling, general and administrative expenses	41,590	39,221	124,303	118,579
Bad debt provision for troubled customers, net of recoveries	0	0	289	0
Legal settlement and insurance recoveries, net	0	0	(994)	1,030
Research and engineering	450	595	1,523	1,942
Depreciation and amortization	2,629	2,918	8,058	9,070
Acquisition-related expense, net	1	246	63	1,068
Income from operations	9,114	9,236	13,991	15,864
Interest expense	2,735	2,326	6,790	8,694
Income before provision for income taxes	6,379	6,910	7,201	7,170
Provision for income taxes	1,985	3,513	3,494	3,187
Net Income	4,394	3,397	3,707	3,983
Less: net income attributable to noncontrolling interests, net of taxes	21	17	54	28
Net Income attributable to Mistras Group, Inc.	$ 4,373	$ 3,380	$ 3,653	$ 3,955
Earnings per common share
Basic (in dollars per share)	$ 0.15	$ 0.11	$ 0.12	$ 0.13
Diluted (in dollars per share)	$ 0.14	$ 0.11	$ 0.12	$ 0.13
Weighted-average common shares outstanding:
Basic (in shares)	29,965	29,619	29,879	29,550
Diluted (in shares)	30,245	30,127	30,209	30,093

This element represents acquisition-related costs incurred in connection with business combinations which costs have been expensed during the period. This also includes adjustments to the fair value of the initial purchase price allocation for acquisitions including, but not limited to, changes in contingent consideration liabilities and other liabilities, accounts receivable, inventory, fixed assets, other assets, and other acquisition-related intangible assets. Acquisition-related costs also include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

No definition available.