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Consolidated Statement of Stockholders' Equity (Unaudited) - USD ($)
$ in Thousands
Common Stock [Member]
Additional paid-in capital [Member]
Accumulated other comprehensive income (loss) [Member]
Accumulated deficit/Retained Earnings [Member]
Total
Balance Beginning at Dec. 31, 2018 $ 9 $ 23,966 $ (5,897) $ (6,127) $ 11,951
Balance Beginning (in shares) at Dec. 31, 2018 8,726,045        
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net income (loss)       5,647 5,647
Stock-based compensation   5     5
Foreign currency translation adjustment     (312)   (312)
Pension adjustment, net of taxes     90   90
Balance Ending at Mar. 31, 2019 $ 9 23,971 (6,119) (480) 17,381
Balance Ending (in shares) at Mar. 31, 2019 8,726,045        
Balance Beginning at Dec. 31, 2019 $ 9 23,978 14 (7,566) $ 16,435
Balance Beginning (in shares) at Dec. 31, 2019 8,726,045       8,726,045
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net income (loss)       (2,921) $ (2,921)
Stock-based compensation   2     2
Balance Ending at Mar. 31, 2020 $ 9 $ 23,980 $ 14 $ (10,487) $ 13,516
Balance Ending (in shares) at Mar. 31, 2020 8,726,045       8,726,045