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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, 2020 19,055   (1,097)    
Balance at Dec. 31, 2020 $ 2 $ 70,070 $ (1,874) $ (65,015) $ 3,183
Restricted stock vested (in shares) 274   0    
Restricted stock vested $ 0 0 $ 0 0 0
Treasury shares repurchased (in shares) 0   (101)    
Treasury shares repurchased $ 0 0 $ (88) 0 (88)
Stock options exercised (in shares) 75   0    
Stock options exercised $ 0 8 $ 0 0 8
Stock-based compensation 0 136 0 0 136
Net Income (loss) $ 0 0 $ 0 (699) (699)
Balance (in shares) at Mar. 31, 2021 19,404   (1,198)    
Balance at Mar. 31, 2021 $ 2 70,214 $ (1,962) (65,714) 2,540
Balance (in shares) at Dec. 31, 2020 19,055   (1,097)    
Balance at Dec. 31, 2020 $ 2 70,070 $ (1,874) (65,015) 3,183
Net Income (loss)         (1,155)
Balance (in shares) at Jun. 30, 2021 19,544   (1,228)    
Balance at Jun. 30, 2021 $ 2 70,335 $ (1,977) (66,170) 2,190
Balance (in shares) at Mar. 31, 2021 19,404   (1,198)    
Balance at Mar. 31, 2021 $ 2 70,214 $ (1,962) (65,714) 2,540
Restricted stock vested (in shares) 15   0    
Restricted stock vested $ 0 0 $ 0 0 0
Treasury shares repurchased (in shares) 0   (30)    
Treasury shares repurchased $ 0 0 $ (15) 0 (15)
Stock options exercised (in shares) 125   0    
Stock options exercised $ 0 12 $ 0 0 12
Stock-based compensation 0 109 0 0 109
Net Income (loss) $ 0 0 $ 0 (456) (456)
Balance (in shares) at Jun. 30, 2021 19,544   (1,228)    
Balance at Jun. 30, 2021 $ 2 70,335 $ (1,977) (66,170) 2,190
Balance (in shares) at Dec. 31, 2021 20,286   (1,424)    
Balance at Dec. 31, 2021 $ 2 70,584 $ (2,071) (66,312) 2,203
Restricted stock vested (in shares) 18   0    
Restricted stock vested $ 0 0 $ 0 0 0
Treasury shares repurchased (in shares) 0   (6)    
Treasury shares repurchased $ 0 0 $ (3) 0 (3)
Stock-based compensation 0 106 0 0 106
Net Income (loss) $ 0 0 $ 0 (308) (308)
Balance (in shares) at Mar. 31, 2022 20,304   (1,430)    
Balance at Mar. 31, 2022 $ 2 70,690 $ (2,074) (66,620) 1,998
Balance (in shares) at Dec. 31, 2021 20,286   (1,424)    
Balance at Dec. 31, 2021 $ 2 70,584 $ (2,071) (66,312) 2,203
Net Income (loss)         463
Balance (in shares) at Jun. 30, 2022 20,620   (1,431)    
Balance at Jun. 30, 2022 $ 2 70,828 $ (2,074) (65,849) 2,907
Balance (in shares) at Mar. 31, 2022 20,304   (1,430)    
Balance at Mar. 31, 2022 $ 2 70,690 $ (2,074) (66,620) 1,998
Restricted stock vested (in shares) 6   0    
Restricted stock vested $ 0 0 $ 0 0 0
Treasury shares repurchased (in shares) 0   (1)    
Treasury shares repurchased $ 0 0 $ 0 0 0
Stock options exercised (in shares) 310   0    
Stock options exercised $ 0 31 $ 0 0 31
Stock-based compensation 0 107 0 0 107
Net Income (loss) $ 0 0 $ 0 771 771
Balance (in shares) at Jun. 30, 2022 20,620   (1,431)    
Balance at Jun. 30, 2022 $ 2 $ 70,828 $ (2,074) $ (65,849) $ 2,907