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Consolidated Statements Of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands | Common Stock [Member] | Additional Paid-In Capital [Member] | Accumulated Deficit [Member] | Treasury Stock [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Total
--- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2018 | $ 3 | $ 488,404 | $ (304,577) | $ (18,102) | $ 477 | $ 166,205
Balance, shares at Dec. 31, 2018 | 33,244 |  |  | (3,496) |  |
Net income (loss) |  |  | 3,787 |  |  | 3,787
Other comprehensive income (loss) |  |  |  |  | (462) | (462)
Cash dividends ($0.025 per share) |  |  | (746) |  |  | (746)
Stock compensation expense |  | 785 |  |  |  | 785
Balance at Mar. 31, 2019 | $ 3 | 489,189 | (301,536) | $ (18,102) | 15 | 169,569
Balance, shares at Mar. 31, 2019 | 33,244 |  |  | (3,496) |  |
Balance at Dec. 31, 2018 | $ 3 | 488,404 | (304,577) | $ (18,102) | 477 | 166,205
Balance, shares at Dec. 31, 2018 | 33,244 |  |  | (3,496) |  |
Net income (loss) |  |  |  |  |  | 6,585
Other comprehensive income (loss) |  |  |  |  |  | (698)
Stock compensation expense |  |  |  |  |  | 2,246
Balance at Sep. 30, 2019 | $ 3 | 491,546 | (300,235) | $ (22,269) | (221) | 168,824
Balance, shares at Sep. 30, 2019 | 33,605 |  |  | (3,855) |  |
Balance at Mar. 31, 2019 | $ 3 | 489,189 | (301,536) | $ (18,102) | 15 | 169,569
Balance, shares at Mar. 31, 2019 | 33,244 |  |  | (3,496) |  |
Net income (loss) |  |  | (694) |  |  | (694)
Other comprehensive income (loss) |  |  |  |  | (269) | (269)
Cash dividends ($0.025 per share) |  |  | (748) |  |  | (748)
Purchase of treasury stock, value |  |  |  | $ (1,505) |  | (1,505)
Purchase of treasury stock, shares |  |  |  | (116) |  |
Stock compensation expense |  | 783 |  |  |  | 783
Proceeds from exercise of options |  | 804 |  |  |  | 804
Proceeds from exercise of options, shares | 351 |  |  |  |  |
Balance at Jun. 30, 2019 | $ 3 | 490,776 | (302,978) | $ (19,607) | (254) | 167,940
Balance, shares at Jun. 30, 2019 | 33,595 |  |  | (3,612) |  |
Net income (loss) |  |  | 3,492 |  |  | 3,492
Other comprehensive income (loss) |  |  |  |  | 33 | 33
Cash dividends ($0.025 per share) |  |  | (749) |  |  | (749)
Purchase of treasury stock, value |  |  |  | $ (2,662) |  | (2,662)
Purchase of treasury stock, shares |  |  |  | (243) |  |
Stock compensation expense |  | 678 |  |  |  | 678
Proceeds from exercise of options |  | 92 |  |  |  | 92
Proceeds from exercise of options, shares | 10 |  |  |  |  |
Balance at Sep. 30, 2019 | $ 3 | 491,546 | (300,235) | $ (22,269) | (221) | 168,824
Balance, shares at Sep. 30, 2019 | 33,605 |  |  | (3,855) |  |
Balance at Dec. 31, 2019 | $ 3 | 492,353 | (288,592) | $ (22,269) | (303) | 181,192
Balance, shares at Dec. 31, 2019 | 33,615 |  |  | (3,855) |  |
Net income (loss) |  |  | 36 |  |  | 36
Other comprehensive income (loss) |  |  |  |  | 412 | 412
Cash dividends ($0.025 per share) |  |  | (744) |  |  | (744)
Stock compensation expense |  | 613 |  |  |  | 613
Balance at Mar. 31, 2020 | $ 3 | 492,966 | (289,300) | $ (22,269) | 109 | 181,509
Balance, shares at Mar. 31, 2020 | 33,615 |  |  | (3,855) |  |
Balance at Dec. 31, 2019 | $ 3 | 492,353 | (288,592) | $ (22,269) | (303) | 181,192
Balance, shares at Dec. 31, 2019 | 33,615 |  |  | (3,855) |  |
Net income (loss) |  |  |  |  |  | (1,524)
Other comprehensive income (loss) |  |  |  |  |  | 437
Stock dividends ($0.025 per share), value |  |  |  |  |  | 1,533
Stock compensation expense |  |  |  |  |  | 5,433
Balance at Sep. 30, 2020 | $ 4 | 511,331 | (292,393) | $ (23,789) | 134 | 195,287
Balance, shares at Sep. 30, 2020 | 35,021 |  |  | (3,970) |  |
Balance at Mar. 31, 2020 | $ 3 | 492,966 | (289,300) | $ (22,269) | 109 | 181,509
Balance, shares at Mar. 31, 2020 | 33,615 |  |  | (3,855) |  |
Net income (loss) |  |  | (2,743) |  |  | (2,743)
Other comprehensive income (loss) |  |  |  |  | (182) | (182)
Stock dividends ($0.025 per share), value |  | 714 | (714) |  |  |
Stock dividends ($0.025 per share), shares | 70 |  |  |  |  |
Purchase of treasury stock, value |  |  |  | $ (137) |  | (137)
Purchase of treasury stock, shares |  |  |  | (14) |  |
Stock compensation expense |  | 616 |  |  |  | 616
Proceeds from exercise of options |  | 497 |  |  |  | 497
Proceeds from exercise of options, shares | 72 |  |  |  |  |
Balance at Jun. 30, 2020 | $ 3 | 494,793 | (292,757) | $ (22,406) | (73) | 179,560
Balance, shares at Jun. 30, 2020 | 33,757 |  |  | (3,869) |  |
Net income (loss) |  |  | 1,183 |  |  | 1,183
Other comprehensive income (loss) |  |  |  |  | 207 | 207
Stock dividends ($0.025 per share), value |  | 819 | (819) |  |  |
Stock dividends ($0.025 per share), shares | 63 |  |  |  |  |
Purchase of treasury stock, value |  |  |  | $ (1,383) |  | (1,383)
Purchase of treasury stock, shares |  |  |  | (101) |  |
Stock compensation expense | $ 244 | 4,204 |  |  |  | 4,204
Proceeds from exercise of options |  | 365 |  |  |  | 365
Proceeds from exercise of options, shares | 57 |  |  |  |  |
Issuance of common stock, net of issuance costs, value | $ 1 | 11,150 |  |  |  | 11,151
Issuance of common stock, net of issuance costs, shares | (900) |  |  |  |  |
Balance at Sep. 30, 2020 | $ 4 | $ 511,331 | $ (292,393) | $ (23,789) | $ 134 | $ 195,287
Balance, shares at Sep. 30, 2020 | 35,021 |  |  | (3,970) |  |

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