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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands | Common Stock [Member] | Treasury - Common Stock | Additional Paid-in Capital [Member] | Accumulated Income [Member] Cumulative Effect, Period of Adoption, Adjustment [Member] | Accumulated Income [Member] | Accumulated Other Comprehensive Income (Loss) [Member] Cumulative Effect, Period of Adoption, Adjustment [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Total
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2019 | $ 40 |  | $ 96,109 |  | $ 179,440 |  | $ (13,295) |  | $ 262,294
Balance (in shares) at Dec. 31, 2019 | 40,207 |  |  |  |  |  |  |  |
Change in Stockholders' Equity |  |  |  |  |  |  |  |  |
Net loss |  |  |  |  | 4 |  |  |  | 4
Foreign currency translation adjustment, net of tax |  |  |  |  |  |  | (4,278) |  | (4,278)
Restricted stock awards |  |  | 1,350 |  |  |  |  |  | 1,350
Restricted stock awards, Shares | 168 |  |  |  |  |  |  |  |
Tax payments for stock issuances |  |  | (293) |  |  |  |  |  | (293)
Tax payments for stock issuances, Shares | (61) |  |  |  |  |  |  |  |
Pension adjustment, net of tax |  |  |  |  |  |  | (6) |  | (6)
Balance at Mar. 31, 2020 |  |  |  | $ (253) |  | $ 0 |  | $ (253) |
Balance at Mar. 31, 2020 | $ 40 |  | 97,166 |  | 179,191 |  | (17,579) |  | 258,818
Balance (in shares) at Mar. 31, 2020 | 40,314 |  |  |  |  |  |  |  |
Balance at Dec. 31, 2019 | $ 40 |  | 96,109 |  | 179,440 |  | (13,295) |  | 262,294
Balance (in shares) at Dec. 31, 2019 | 40,207 |  |  |  |  |  |  |  |
Change in Stockholders' Equity |  |  |  |  |  |  |  |  |
Net loss |  |  |  |  |  |  |  |  | (3,699)
Balance at Sep. 30, 2020 | $ 40 |  | 97,378 |  | 175,488 |  | (13,690) |  | 259,216
Balance (in shares) at Sep. 30, 2020 | 40,356 |  |  |  |  |  |  |  |
Balance at Mar. 31, 2020 | $ 40 |  | 97,166 |  | 179,191 |  | (17,579) |  | 258,818
Balance (in shares) at Mar. 31, 2020 | 40,314 |  |  |  |  |  |  |  |
Change in Stockholders' Equity |  |  |  |  |  |  |  |  |
Net loss |  |  |  |  | (2,025) |  |  |  | (2,025)
Foreign currency translation adjustment, net of tax |  |  |  |  |  |  | 446 |  | 446
Restricted stock awards |  |  | 860 |  |  |  |  |  | 860
Restricted stock awards, Shares | 19 |  |  |  |  |  |  |  |
Tax payments for stock issuances |  |  | (886) |  |  |  |  |  | (886)
Tax payments for stock issuances, Shares | (4) |  |  |  |  |  |  |  |
Pension adjustment, net of tax |  |  |  |  |  |  | (6) |  | (6)
Balance at Jun. 30, 2020 | $ 40 |  | 97,140 |  | 177,166 |  | (17,139) |  | 257,207
Balance (in shares) at Jun. 30, 2020 | 40,329 |  |  |  |  |  |  |  |
Change in Stockholders' Equity |  |  |  |  |  |  |  |  |
Net loss |  |  |  |  | (1,678) |  |  |  | (1,678)
Foreign currency translation adjustment, net of tax |  |  |  |  |  |  | 3,455 |  | 3,455
Restricted stock awards |  |  | 1,022 |  |  |  |  |  | 1,022
Restricted stock awards, Shares | 55 |  |  |  |  |  |  |  |
Tax payments for stock issuances |  |  | (784) |  |  |  |  |  | (784)
Tax payments for stock issuances, Shares | (28) |  |  |  |  |  |  |  |
Pension adjustment, net of tax |  |  |  |  |  |  | (6) |  | (6)
Balance at Sep. 30, 2020 | $ 40 |  | 97,378 |  | 175,488 |  | (13,690) |  | 259,216
Balance (in shares) at Sep. 30, 2020 | 40,356 |  |  |  |  |  |  |  |
Balance at Dec. 31, 2020 | $ 40 | $ (5,030) | 98,819 |  | 173,731 |  | (10,220) |  | 257,340
Balance (in shares) at Dec. 31, 2020 | 40,103 | 250 |  |  |  |  |  |  |
Change in Stockholders' Equity |  |  |  |  |  |  |  |  |
Net loss |  |  |  |  | (9,151) |  |  |  | (9,151)
Foreign currency translation adjustment, net of tax |  |  |  |  | 22 |  | (919) |  | (897)
Restricted stock awards |  |  | 1,342 |  |  |  |  |  | 1,342
Restricted stock awards, Shares | 248 |  |  |  |  |  |  |  |
Tax payments for stock issuances |  |  | (2,139) |  |  |  |  |  | (2,139)
Tax payments for stock issuances, Shares | (86) |  |  |  |  |  |  |  |
Unrealized losses on available-for-sale securities |  |  |  |  |  |  | (15) |  | (15)
Balance at Mar. 31, 2021 | $ 40 | $ (5,030) | 98,022 |  | 164,602 |  | (11,154) |  | 246,480
Balance (in shares) at Mar. 31, 2021 | 40,265 | 250 |  |  |  |  |  |  |
Balance at Dec. 31, 2020 | $ 40 | $ (5,030) | 98,819 |  | 173,731 |  | (10,220) |  | 257,340
Balance (in shares) at Dec. 31, 2020 | 40,103 | 250 |  |  |  |  |  |  |
Change in Stockholders' Equity |  |  |  |  |  |  |  |  |
Net loss |  |  |  |  |  |  |  |  | (16,811)
Unrealized losses on available-for-sale securities |  |  |  |  |  |  |  |  | 7
Balance at Sep. 30, 2021 | $ 40 | $ (12,501) | 99,018 |  | 156,946 |  | (12,884) |  | 230,619
Balance (in shares) at Sep. 30, 2021 | 39,966 | 592 |  |  |  |  |  |  |
Balance at Mar. 31, 2021 | $ 40 | $ (5,030) | 98,022 |  | 164,602 |  | (11,154) |  | 246,480
Balance (in shares) at Mar. 31, 2021 | 40,265 | 250 |  |  |  |  |  |  |
Change in Stockholders' Equity |  |  |  |  |  |  |  |  |
Net loss |  |  |  |  | (6,685) |  |  |  | (6,685)
Foreign currency translation adjustment, net of tax |  |  |  |  |  |  | 549 |  | 549
Restricted stock awards |  |  | 1,292 |  |  |  |  |  | 1,292
Restricted stock awards, Shares | 24 |  |  |  |  |  |  |  |
Tax payments for stock issuances |  |  | (91) |  |  |  |  |  | (91)
Tax payments for stock issuances, Shares | (7) |  |  |  |  |  |  |  |
Share repurchase |  | $ (2,908) |  |  |  |  |  |  | (2,908)
Share repurchased (in shares) | (111) | 111 |  |  |  |  |  |  |
Unrealized losses on available-for-sale securities |  |  |  |  |  |  | 8 |  | 8
Balance at Jun. 30, 2021 | $ 40 | $ (7,938) | 99,223 |  | 157,917 |  | (10,597) |  | 238,645
Balance (in shares) at Jun. 30, 2021 | 40,171 | 361 |  |  |  |  |  |  |
Change in Stockholders' Equity |  |  |  |  |  |  |  |  |
Net loss |  |  |  |  | (975) |  |  |  | (975)
Foreign currency translation adjustment, net of tax |  |  |  |  | 4 |  | (2,287) |  | (2,283)
Restricted stock awards | $ 57 |  | 347 |  |  |  |  |  | 347
Tax payments for stock issuances | $ (31) |  | (552) |  |  |  |  |  | (552)
Share repurchase |  | $ (4,563) |  |  |  |  |  |  | (4,563)
Share repurchased (in shares) | (231) | 231 |  |  |  |  |  |  |
Balance at Sep. 30, 2021 | $ 40 | $ (12,501) | $ 99,018 |  | $ 156,946 |  | $ (12,884) |  | $ 230,619
Balance (in shares) at Sep. 30, 2021 | 39,966 | 592 |  |  |  |  |  |  |

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