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Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands
Common Stock Outstanding [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 21,300,958          
Balance at Dec. 31, 2020 $ 213 $ 155,025 $ (115,765) $ (24,698) $ 0  
Net (loss) income 0 0 2,923 0 0 $ 2,923
Employee benefit related, net of tax 0 0 0 2,297 0 $ (2,297)
Foreign currency translation adjustment, net of tax $ 0 0 0 (593) 0  
Restricted common stock grant (in shares) 197,500          
Restricted common stock grant $ 2 (2) 0 0 0  
Noncash compensation (in shares) 52,500          
Noncash compensation $ 0 491 0 0 0  
Exercise of stock options (in shares) 313,766         687,500
Exercise of stock options $ 3 (610) 0 0 0  
Balance (in shares) at Dec. 31, 2021 21,864,724          
Balance at Dec. 31, 2021 $ 218 154,904 (112,842) (22,994) 0 $ 19,286
Net (loss) income 0 0 (2,494) 0 0 (2,494)
Employee benefit related, net of tax 0 0 0 1,167 0 $ (1,167)
Foreign currency translation adjustment, net of tax $ 0 0 0 982 0  
Restricted common stock grant (in shares) 197,500          
Restricted common stock grant $ 2 (2) 0 0 0  
Noncash compensation (in shares) 60,000          
Noncash compensation $ 0 683 0 0 0  
Exercise of stock options (in shares) 53,421         138,900
Exercise of stock options $ 1 (50) 0 0 0  
Balance (in shares) at Dec. 31, 2022 22,175,645          
Balance at Dec. 31, 2022 $ 221 $ 155,535 $ (115,336) $ (20,845) $ 0 $ 19,575