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Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)
$ in Thousands
Cumulative Effect, Period of Adoption, Adjustment [Member]
Common Stock Outstanding [Member]
Cumulative Effect, Period of Adoption, Adjustment [Member]
Additional Paid-in Capital [Member]
Cumulative Effect, Period of Adoption, Adjustment [Member]
Retained Earnings [Member]
Cumulative Effect, Period of Adoption, Adjustment [Member]
AOCI Attributable to Parent [Member]
Cumulative Effect, Period of Adoption, Adjustment [Member]
Treasury Stock [Member]
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, 2018           21,398,182          
Balance at Dec. 31, 2018 $ 0 $ 0 $ 1,442 $ 0 $ 0 $ 214 $ 154,388 $ (114,926) $ (24,842) $ 0  
Net loss           0 0 (3,036) 0 0 $ (3,036)
Foreign currency translation adjustment           $ 0 0 0 125 0  
Noncash compensation (in shares)           0          
Noncash compensation           $ 0 111 0 0 0  
Retire treasury stock (in shares)           (43,979)          
Retire treasury stock           $ 0 (49) 0 0 0  
Balance (in shares) at Mar. 31, 2019           21,354,203          
Balance at Mar. 31, 2019           $ 214 154,450 (116,520) (24,717) 0  
Balance (in shares) at Dec. 31, 2019           21,298,426          
Balance at Dec. 31, 2019           $ 213 154,702 (117,433) (24,051) 0 13,431
Net loss           0 0 (305) 0 0 (305)
Foreign currency translation adjustment           $ 0 0 0 (1,906) 0  
Noncash compensation (in shares)           0          
Noncash compensation           $ 0 94 0 0 0  
Exercise of stock options (in shares)           11,154          
Exercise of stock options           $ 0 (7) 0 0 0  
Balance (in shares) at Apr. 05, 2020           21,309,580          
Balance at Apr. 05, 2020           $ 213 $ 154,789 $ (117,738) $ (25,957) $ 0 $ 11,307