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v3.22.1

Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands | Common Stock | Additional Paid-in Capital | Accumulated Deficit | Accumulated Other Comprehensive Income (Loss) | Total
--- | --- | --- | --- | --- | ---
Balance (in shares) at Dec. 31, 2020 | 33,633 |  |  |  |
Balance at Dec. 31, 2020 | $ 34 | $ 570,102 | $ (91,969) | $ 3,435 | $ 481,602
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Net income |  |  | 16,480 |  | 16,480
Foreign currency translation adjustments |  |  |  | (1,372) | (1,372)
Change in pension obligation |  |  |  | 20 | 20
Exercise of stock options (in shares) | 268 |  |  |  |
Exercise of stock options |  | 2,512 |  |  | 2,512
Issuance of common shares on restricted stock units, net of shares withheld (in shares) | 81 |  |  |  |
Issuance of common shares on restricted stock units, net of shares withheld |  | (2,354) |  |  | (2,354)
Stock-based compensation expense |  | 2,407 |  |  | 2,407
Repurchase of common stock (in shares) | (303) |  |  |  |
Repurchase of common stock |  | (5,468) | (6,167) |  | (11,635)
Balance (in shares) at Mar. 31, 2021 | 33,679 |  |  |  |
Balance at Mar. 31, 2021 | $ 34 | 567,199 | (81,656) | 2,083 | 487,660
Balance (in shares) at Dec. 31, 2021 | 33,240 |  |  |  |
Balance at Dec. 31, 2021 | $ 33 | 559,883 | (22,722) | 1,765 | 538,959
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Net income |  |  | 41,614 |  | 41,614
Foreign currency translation adjustments |  |  |  | (1,186) | (1,186)
Change in pension obligation |  |  |  | 9 | 9
Exercise of stock options (in shares) | 41 |  |  |  |
Exercise of stock options |  | 491 |  |  | 491
Issuance of common shares on restricted stock units, net of shares withheld (in shares) | 67 |  |  |  |
Issuance of common shares on restricted stock units, net of shares withheld |  | (3,315) |  |  | (3,315)
Stock-based compensation expense |  | 2,701 |  |  | 2,701
Repurchase of common stock (in shares) | (284) |  |  |  |
Repurchase of common stock |  | (5,127) | (14,873) |  | (20,000)
Balance (in shares) at Mar. 31, 2022 | 33,064 |  |  |  |
Balance at Mar. 31, 2022 | $ 33 | $ 554,633 | $ 4,019 | $ 588 | $ 559,273

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