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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS EQUITY - USD ($) shares in Thousands, $ in Thousands | Common Stock Outstanding [Member] | Additional Paid-in Capital [Member] | Treasury Stock [Member] | Retained Earnings [Member] | AOCI Attributable to Parent [Member] | Total
--- | --- | --- | --- | --- | --- | ---
Balances (in shares) at Dec. 31, 2020 | 36,850 |  | 9,550 |  |  |
Balances at Dec. 31, 2020 | $ 6 | $ 407,173 | $ (96,215) | $ (76,233) | $ (225) | $ 234,506
Issuance of common stock in connection with employee stock purchase plan (in shares) | 100 |  |  |  |  |
Issuance of common stock in connection with employee stock purchase plan |  | 921 |  |  |  | 921
Issuance of common stock in connection with exercise of options (in shares) | 81 |  |  |  |  |
Issuance of common stock in connection with exercise of options |  | 568 |  |  |  | 568
Vesting of restricted stock units (in shares) | 149 |  |  |  |  |
Purchases of treasury stock in connection with tax withholdings on restricted stock grants (in shares) |  |  | 73 |  |  |
Purchases of treasury stock in connection with tax withholdings on restricted stock grants |  |  | $ (1,463) |  |  | (1,463)
Repurchase of common stock (in shares) | (251) |  | 251 |  |  |
Repurchase of common stock |  |  | $ (4,523) |  |  | (4,523)
Stock-based compensation expense |  | 3,369 |  |  |  | 3,369
Comprehensive income (loss) |  |  |  | (7,597) | (528) | (8,125)
Balances (in shares) at Mar. 31, 2021 | 36,929 |  | 9,874 |  |  |
Balances at Mar. 31, 2021 | $ 6 | 412,031 | $ (102,201) | (83,830) | (753) | 225,253
Balances (in shares) at Dec. 31, 2020 | 36,850 |  | 9,550 |  |  |
Balances at Dec. 31, 2020 | $ 6 | 407,173 | $ (96,215) | (76,233) | (225) | 234,506
Comprehensive income (loss) |  |  |  |  |  | (12,399)
Balances (in shares) at Jun. 30, 2021 | 37,086 |  | 9,925 |  |  |
Balances at Jun. 30, 2021 | $ 6 | 415,063 | $ (103,088) | (88,314) | (543) | 223,124
Balances (in shares) at Mar. 31, 2021 | 36,929 |  | 9,874 |  |  |
Balances at Mar. 31, 2021 | $ 6 | 412,031 | $ (102,201) | (83,830) | (753) | 225,253
Issuance of common stock in connection with exercise of options (in shares) | 39 |  |  |  |  |
Issuance of common stock in connection with exercise of options |  | 290 |  |  |  | 290
Vesting of restricted stock units (in shares) | 118 |  |  |  |  |
Purchases of treasury stock in connection with tax withholdings on restricted stock grants (in shares) |  |  | 51 |  |  |
Purchases of treasury stock in connection with tax withholdings on restricted stock grants |  |  | $ (887) |  |  | (887)
Stock-based compensation expense |  | 2,742 |  |  |  | 2,742
Comprehensive income (loss) |  |  |  | (4,484) | 210 | (4,274)
Balances (in shares) at Jun. 30, 2021 | 37,086 |  | 9,925 |  |  |
Balances at Jun. 30, 2021 | $ 6 | 415,063 | $ (103,088) | (88,314) | (543) | 223,124
Balances (in shares) at Mar. 31, 2021 | 36,929 |  | 9,874 |  |  |
Balances at Mar. 31, 2021 | $ 6 | 412,031 | $ (102,201) | (83,830) | (753) | 225,253
Balances (in shares) at Jun. 30, 2022 | 36,975 |  | 11,083 |  |  |
Balances at Jun. 30, 2022 | $ 6 | 434,784 | $ (131,365) | (103,018) | (2,532) | 197,875
Balances (in shares) at Dec. 31, 2021 | 37,411 |  | 10,003 |  |  |
Balances at Dec. 31, 2021 | $ 6 | 423,069 | $ (104,705) | (97,721) | (1,064) | 219,585
Issuance of common stock in connection with employee stock purchase plan (in shares) | 95 |  |  |  |  |
Issuance of common stock in connection with employee stock purchase plan |  | 1,502 |  |  |  | 1,502
Issuance of common stock in connection with exercise of options (in shares) | 75 |  |  |  |  |
Issuance of common stock in connection with exercise of options |  | 675 |  |  |  | 675
Vesting of restricted stock units (in shares) | 232 |  |  |  |  |
Purchases of treasury stock in connection with tax withholdings on restricted stock grants (in shares) |  |  | 113 |  |  |
Purchases of treasury stock in connection with tax withholdings on restricted stock grants |  |  | $ (3,389) |  |  | (3,389)
Repurchase of common stock (in shares) | (219) |  | 219 |  |  |
Repurchase of common stock |  |  | $ (5,778) |  |  | (5,778)
Stock-based compensation expense |  | 5,553 |  |  |  | 5,553
Comprehensive income (loss) |  |  |  | (4,150) | (431) | (4,581)
Balances (in shares) at Mar. 31, 2022 | 37,594 |  | 10,335 |  |  |
Balances at Mar. 31, 2022 | $ 6 | 430,799 | $ (113,872) | (101,871) | (1,495) | 213,567
Balances (in shares) at Dec. 31, 2021 | 37,411 |  | 10,003 |  |  |
Balances at Dec. 31, 2021 | $ 6 | 423,069 | $ (104,705) | (97,721) | (1,064) | $ 219,585
Issuance of common stock in connection with exercise of options (in shares) |  |  |  |  |  | 87
Comprehensive income (loss) |  |  |  |  |  | $ (6,765)
Balances (in shares) at Jun. 30, 2022 | 36,975 |  | 11,083 |  |  |
Balances at Jun. 30, 2022 | $ 6 | 434,784 | $ (131,365) | (103,018) | (2,532) | 197,875
Balances (in shares) at Mar. 31, 2022 | 37,594 |  | 10,335 |  |  |
Balances at Mar. 31, 2022 | $ 6 | 430,799 | $ (113,872) | (101,871) | (1,495) | 213,567
Issuance of common stock in connection with exercise of options (in shares) | 12 |  |  |  |  |
Issuance of common stock in connection with exercise of options |  | 113 |  |  |  | 113
Vesting of restricted stock units (in shares) | 84 |  |  |  |  |
Purchases of treasury stock in connection with tax withholdings on restricted stock grants (in shares) |  |  | 33 |  |  |
Purchases of treasury stock in connection with tax withholdings on restricted stock grants |  |  | $ (800) |  |  | (800)
Repurchase of common stock (in shares) | (715) |  | 715 |  |  |
Repurchase of common stock |  |  | $ (16,693) |  |  | (16,693)
Stock-based compensation expense |  | 3,872 |  |  |  | 3,872
Comprehensive income (loss) |  |  |  | (1,147) | (1,037) | (2,184)
Balances (in shares) at Jun. 30, 2022 | 36,975 |  | 11,083 |  |  |
Balances at Jun. 30, 2022 | $ 6 | $ 434,784 | $ (131,365) | $ (103,018) | $ (2,532) | $ 197,875

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