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Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)
$ in Thousands
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
AOCI Attributable to Parent [Member]
Treasury Stock [Member]
Total
Balance (in shares) at Dec. 31, 2019 45,934,000          
Balance at Dec. 31, 2019 $ 438 $ 229,189 $ (124,576) $ (12,689) $ (10,668) $ 81,694
Stock option exercises (in shares) 10,000          
Stock option exercises $ 0 26 0 0 0 26
Vesting of restricted stock units (in shares) 981,000          
Vesting of restricted stock units $ 0 0 0 0 0 0
Shares withheld for taxes (in shares) (269,000)          
Shares withheld for taxes $ 0 (882) 0 0 0 (882)
Stock compensation expense 0 2,641 0 0 0 2,641
Net loss 0 0 (7,195) 0 0 (7,195)
Other comprehensive income (loss) $ 0 0 0 715 0 715
Stock purchase plan (in shares) 64,000          
Stock purchase plan $ 0 168 0 0 0 168
Balance (in shares) at Sep. 30, 2020 46,720,000          
Balance at Sep. 30, 2020 $ 438 231,142 (131,771) (11,974) (10,668) 77,167
Balance (in shares) at Jun. 30, 2020 46,414,000          
Balance at Jun. 30, 2020 $ 438 230,675 (130,673) (13,704) (10,668) 76,068
Stock option exercises (in shares) 3,000          
Stock option exercises $ 0 7 0 0 0 7
Vesting of restricted stock units (in shares) 467,000          
Vesting of restricted stock units $ 0 0 0 0 0 0
Shares withheld for taxes (in shares) (164,000)          
Shares withheld for taxes $ 0 (620) 0 0 0 (620)
Stock compensation expense 0 1,079 0 0 0 1,079
Net loss 0 0 (1,098) 0 0 (1,098)
Other comprehensive income (loss) $ 0 0 0 1,730 0 1,730
Stock purchase plan (in shares) 0          
Stock purchase plan $ 0 1 0 0 0 1
Balance (in shares) at Sep. 30, 2020 46,720,000          
Balance at Sep. 30, 2020 $ 438 231,142 (131,771) (11,974) (10,668) 77,167
Balance (in shares) at Dec. 31, 2020 47,153,000          
Balance at Dec. 31, 2020 $ 444 232,357 (132,386) (13,066) (10,668) $ 76,681
Stock option exercises (in shares) 535,000         534,862
Stock option exercises $ 7 2,700 0 0 0 $ 2,707
Vesting of restricted stock units (in shares) 1,196,000          
Vesting of restricted stock units $ 0 0 0 0 0 0
Shares withheld for taxes (in shares) (385,000)          
Shares withheld for taxes $ 0 (2,653) 0 0 0 (2,653)
Stock compensation expense 0 3,136 0 0 0 3,136
Net loss 0 0 (1,249) 0 0 (1,249)
Other comprehensive income (loss) $ 0 0 0 (1,937) 0 (1,937)
Stock purchase plan (in shares) 56,000          
Stock purchase plan $ 0 202 0 0 0 202
Retirement of treasury stock (in shares) (7,746,000)          
Retirement of treasury stock $ 0 (10,668) 0 0 10,668 0
Balance (in shares) at Sep. 30, 2021 40,809,000          
Balance at Sep. 30, 2021 $ 451 225,074 (133,635) (15,003) 0 76,887
Balance (in shares) at Jun. 30, 2021 40,486,000          
Balance at Jun. 30, 2021 $ 451 225,583 (133,465) (13,868) 0 78,701
Stock option exercises (in shares) 38,000          
Stock option exercises $ 0 150 0 0 0 150
Vesting of restricted stock units (in shares) 493,000          
Vesting of restricted stock units $ 0 0 0 0 0 0
Shares withheld for taxes (in shares) (208,000)          
Shares withheld for taxes $ 0 (1,663) 0 0 0 (1,663)
Stock compensation expense 0 1,004 0 0 0 1,004
Net loss 0 0 (170) 0 0 (170)
Other comprehensive income (loss) $ 0 0 0 (1,135) 0 (1,135)
Balance (in shares) at Sep. 30, 2021 40,809,000          
Balance at Sep. 30, 2021 $ 451 $ 225,074 $ (133,635) $ (15,003) $ 0 $ 76,887