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Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands
Common Stock [Member]
Additional paid-in capital [Member]
Accumulated other comprehensive income (loss) [Member]
Accumulated deficit/Retained earnings [Member]
Total
Balance at Dec. 31, 2016 $ 9 $ 23,215 $ (5,863) $ 8,838 $ 26,199
Balance (in shares) at Dec. 31, 2016 8,699,712        
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net loss       (9,225) (9,225)
Stock-based compensation   466     466
Foreign currency translation adjustment     173   173
Pension adjustment, net of taxes     (108)   (108)
Cumulative adjustment from adoption of accounting standard at Dec. 31, 2016       (76) (76)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common stock   120     120
Issuance of common stock (in shares) 26,333        
Balance at Dec. 31, 2017 $ 9 23,801 (5,798) (463) $ 17,549
Balance (in shares) at Dec. 31, 2017 8,726,045       8,726,045
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net loss       (5,664) $ (5,664)
Stock-based compensation   165     165
Foreign currency translation adjustment     (161)   (161)
Pension adjustment, net of taxes     62   62
Balance at Dec. 31, 2018 $ 9 $ 23,966 $ (5,897) $ (6,127) $ 11,951
Balance (in shares) at Dec. 31, 2018 8,726,045       8,726,045