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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, 2019 21,298,426          
Balance at Dec. 31, 2019 $ 213 $ 154,702 $ (117,433) $ (24,051) $ 0  
Net income 0 0 1,668 0 0 $ 1,668
Employee benefit related, net of tax 0 0 0 (423) 0 $ 423
Foreign currency translation adjustment, net of tax $ 0 0 0 (224) 0  
Noncash compensation (in shares) 70,000          
Noncash compensation $ 0 426 0 0 0  
Exercise of stock options (in shares) 14,956         306,500
Exercise of stock options $ 0 (4) 0 0 0  
Retire treasury stock (in shares) (82,424)          
Retire treasury stock $ 0 (99) 0 0 0  
Balance (in shares) at Dec. 31, 2020 21,300,958          
Balance at Dec. 31, 2020 $ 213 155,025 (115,765) (24,698) 0 $ 14,775
Net 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  
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  
Retire treasury stock $ 0 0 0 0 0  
Restricted common stock grant (in shares) 197,500          
Restricted common stock grant $ 2 (2) 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