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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 [Member]
Total
Balance Beginning at Dec. 31, 2017 $ 9 $ 23,801 $ (5,798) $ (463) $ 17,549
Balance Beginning (in shares) at Dec. 31, 2017 8,726,045        
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net income (loss)       (1,370) (1,370)
Stock-based compensation   146     146
Foreign currency translation adjustment     (167)   (167)
Pension adjustment, net of taxes     (16)   (16)
Balance Ending at Jun. 30, 2018 $ 9 23,947 (5,981) (1,833) $ 16,142
Balance Ending (in shares) at Jun. 30, 2018 8,726,045       8,726,045
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       8,726,045
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net income (loss)       1,625 $ 1,625
Stock-based compensation   7     7
Foreign currency translation adjustment     62   62
Pension adjustment, net of taxes     110   110
Balance Ending at Jun. 30, 2019 $ 9 $ 23,974 $ (5,725) $ (4,502) $ 13,756
Balance Ending (in shares) at Jun. 30, 2019 8,726,045       8,726,045