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v3.20.1

Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands | Total | Common Stock [Member] | Additional Paid-In Capital [Member] | Retained Earnings (Deficit) [Member] | Treasury Stock [Member]
--- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2018 | $ 342,963 | $ 700 | $ 124,224 | $ 416,942 | $ (198,903)
Beginning Balance, Shares at Dec. 31, 2018 |  | 58,551,653 |  |  | 11,446,683
Net income | 31,555 |  |  | 31,555 |
Employee stock plans | 302 |  | 302 |  |
Employee stock plans, Shares |  | 24,472 |  |  |
Shares withheld for taxes on awards | (5,727) |  | (5,727) |  |
Shares withheld for taxes on awards, Shares |  | (74,010) |  |  |
Stock-based compensation | 2,794 | $ 1 | 2,793 |  |
Stock-based compensation, Shares |  | 160,359 |  |  |
Repurchases of common stock | (8,730) |  |  |  | $ (8,730)
Repurchases of common stock, Shares |  | (124,989) |  |  | 124,989
Ending Balance at Mar. 31, 2019 | 363,157 | $ 701 | 121,592 | 448,497 | $ (207,633)
Ending Balance, Shares at Mar. 31, 2019 |  | 58,537,485 |  |  | 11,571,672
Beginning Balance at Dec. 31, 2019 | 449,175 | $ 702 | 123,996 | 561,680 | $ (237,203)
Beginning Balance, Shares at Dec. 31, 2019 |  | 58,240,721 |  |  | 11,946,742
Net income | 42,402 |  |  | 42,402 |
Employee stock plans | 299 |  | 299 |  |
Employee stock plans, Shares |  | 16,386 |  |  |
Shares withheld for taxes on awards | (3,856) |  | (3,856) |  |
Shares withheld for taxes on awards, Shares |  | (38,142) |  |  |
Stock-based compensation | 2,775 |  | 2,775 |  |
Stock-based compensation, Shares |  | 76,204 |  |  |
Repurchases of common stock | (39,072) |  |  |  | $ (39,072)
Repurchases of common stock, Shares |  | (442,009) |  |  | 442,009
Ending Balance at Mar. 31, 2020 | $ 451,723 | $ 702 | $ 123,214 | $ 604,082 | $ (276,275)
Ending Balance, Shares at Mar. 31, 2020 |  | 57,853,160 |  |  | 12,388,751

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