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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, 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          
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-based compensation expense 0 3,136 0 0 0 3,136
Net loss 0 0 (1,249) 0 0 (1,249)
Other comprehensive 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-based compensation expense 0 1,004 0 0 0 1,004
Net loss 0 0 (170) 0 0 (170)
Other comprehensive 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
Balance (in shares) at Dec. 31, 2021 41,143,000          
Balance at Dec. 31, 2021 $ 452 225,650 (132,674) (10,027) 0 $ 83,401
Stock option exercises (in shares) 40,000         40,267
Stock option exercises $ 1 106 0 0 0 $ 107
Vesting of restricted stock units (in shares) 628,000          
Vesting of restricted stock units $ 0 0 0 0 0 0
Shares withheld for taxes (in shares) (232,000)          
Shares withheld for taxes $ 0 (1,167) 0 0 0 (1,167)
Stock-based compensation expense 0 3,401 0 0 0 3,401
Net loss 0 0 (7,850) 0 0 (7,850)
Other comprehensive loss $ 0 0 0 (6,152) 0 (6,152)
Stock purchase plan (in shares) 78,000          
Stock purchase plan $ 0 239 0 0 0 239
Balance (in shares) at Sep. 30, 2022 41,657,000          
Balance at Sep. 30, 2022 $ 453 228,229 (140,524) (16,179) 0 71,979
Balance (in shares) at Jun. 30, 2022 41,500,000          
Balance at Jun. 30, 2022 $ 453 227,413 (137,119) (13,243) 0 77,504
Stock option exercises (in shares) 24,000          
Stock option exercises $ 0 64 0 0 0 64
Vesting of restricted stock units (in shares) 233,000          
Vesting of restricted stock units $ 0 0 0 0 0 0
Shares withheld for taxes (in shares) (100,000)          
Shares withheld for taxes $ 0 (387) 0 0 0 (387)
Stock-based compensation expense 0 1,139 0 0 0 1,139
Net loss 0 0 (3,405) 0 0 (3,405)
Other comprehensive loss $ 0 0 0 (2,936) 0 (2,936)
Balance (in shares) at Sep. 30, 2022 41,657,000          
Balance at Sep. 30, 2022 $ 453 $ 228,229 $ (140,524) $ (16,179) $ 0 $ 71,979