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Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($)
shares in Thousands, $ in Thousands
Common Stock [Member]
Additional Paid-in Capital [Member]
Treasury Stock [Member]
Retained Earnings [Member]
Total
Balance (in shares) at Dec. 31, 2018 17,520   777    
Balance at Dec. 31, 2018 $ 2 $ 69,241 $ (1,542) $ (65,220) $ 2,481
Restricted stock cancelled (in shares) (5)      
Restricted stock cancelled
Restricted stock vested (in shares) 390      
Restricted stock vested
Stock options exercised (in shares) 310      
Stock options exercised 31 31
Treasury shares repurchased (in shares)   159    
Treasury shares repurchased $ (137) (137)
Stock-based compensation 72 72
Net income (loss) (31) (31)
Balance (in shares) at Mar. 31, 2019 18,215   936    
Balance at Mar. 31, 2019 $ 2 69,344 $ (1,679) (65,251) 2,416
Balance (in shares) at Dec. 31, 2019 18,524   962    
Balance at Dec. 31, 2019 $ 2 69,661 $ (1,700) (65,094) 2,869
Restricted stock vested (in shares) 392      
Restricted stock vested
Stock options exercised (in shares) 24      
Stock options exercised 2 2
Treasury shares repurchased (in shares)   130    
Treasury shares repurchased $ (170) (170)
Net income (loss) (368) (368)
Stock-based compensation 109 109
Balance (in shares) at Mar. 31, 2020 18,940   1,092    
Balance at Mar. 31, 2020 $ 2 $ 69,772 $ (1,870) $ (65,462) $ 2,442