XML 60 R49.htm IDEA: XBRL DOCUMENT v3.23.1
Earnings per Share - Computations of Basic and Diluted Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2022
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Dec. 31, 2021
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Basic earnings (loss) per share:                              
Net income (loss) attributable to Mistras Group, Inc. $ 2,842 $ 4,373 $ 4,643 $ (5,363) $ (94) $ 3,380 $ 5,937 $ (5,362) $ 181 $ 1,523 $ (2,656) $ (98,509) $ 6,499 $ 3,860 $ (99,461)
Denominator                              
Weighted average common shares outstanding (in shares)                         29,901 29,572 29,147
Basic earnings (loss) per share (in dollars per share) $ 0.09 $ 0.15 $ 0.15 $ (0.18) $ 0.00 $ 0.11 $ 0.20 $ (0.18) $ 0.01 $ 0.05 $ (0.09) $ (3.40) $ 0.22 $ 0.13 $ (3.41)
Denominator                              
Weighted average common shares outstanding (in shares)                         29,901 29,572 29,147
Dilutive effect of stock options outstanding (in shares)                         0 558 0
Dilutive effect of restricted stock units outstanding (in shares)                         328 0 0
Weighted average common shares outstanding, diluted (in shares)                         30,229 30,130 29,147
Diluted earnings (loss) per share (in dollars per share) $ 0.09 $ 0.14 $ 0.15 $ (0.18) $ 0.00 $ 0.11 $ 0.20 $ (0.18) $ 0.01 $ 0.05 $ (0.09) $ (3.40) $ 0.21 $ 0.13 $ (3.41)