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Consolidated Statement of Changes in Stockholders' Equity (Unaudited) - USD ($)
$ in Thousands
Common Stock [Member]
Retained Earnings [Member]
AOCI Attributable to Parent [Member]
Treasury Stock [Member]
Total
Balance (in shares) at Dec. 31, 2019 7,294,792        
Balance at Dec. 31, 2019 $ 86,617 $ 65,063 $ 1,842 $ (15,747) $ 137,775
Net income   5,860     5,860
Other comprehensive income (loss) 2,235 2,235
Stock-based compensation, net (in shares) 12,180        
Stock-based compensation, net $ 250       250
Treasury shares acquired       (1,191) (1,191)
Cash dividends   (2,877)     (2,877)
Stock options exercised (in shares) 500        
Stock options exercised $ 4 4
Balance (in shares) at Sep. 30, 2020 7,307,472        
Balance at Sep. 30, 2020 $ 86,871 68,046 4,077 (16,938) 142,056
Balance (in shares) at Jun. 30, 2020 7,298,829        
Balance at Jun. 30, 2020 $ 86,722 67,150 3,761 (16,938) 140,695
Net income   1,853     1,853
Other comprehensive income (loss)     316   316
Stock-based compensation, net (in shares) 8,143        
Stock-based compensation, net $ 145 145
Cash dividends   (957)     (957)
Stock options exercised (in shares) 500        
Stock options exercised $ 4 4
Balance (in shares) at Sep. 30, 2020 7,307,472        
Balance at Sep. 30, 2020 $ 86,871 68,046 4,077 (16,938) $ 142,056
Balance (in shares) at Dec. 31, 2020 7,308,685       6,379,323
Balance at Dec. 31, 2020 $ 86,886 69,578 4,284 (16,938) $ 143,810
Net income   13,796     13,796
Other comprehensive income (loss)     (674)   (674)
Stock-based compensation, net (in shares) 10,213        
Stock-based compensation, net $ 151       151
Treasury shares acquired       (8,124) (8,124)
Cash dividends   (2,998)     (2,998)
Stock options exercised (in shares) 10,650        
Stock options exercised $ 94       $ 94
Balance (in shares) at Sep. 30, 2021 7,329,548       6,054,083
Balance at Sep. 30, 2021 $ 87,131 80,376 3,610 (25,062) $ 146,055
Balance (in shares) at Jun. 30, 2021 7,325,918        
Balance at Jun. 30, 2021 $ 87,131 76,150 3,893 (21,130) 146,044
Net income   5,204     5,204
Other comprehensive income (loss)     (283)   (283)
Stock-based compensation, net (in shares) 3,630        
Stock-based compensation, net $ 0       0
Treasury shares acquired       (3,932) (3,932)
Cash dividends   (978)     $ (978)
Balance (in shares) at Sep. 30, 2021 7,329,548       6,054,083
Balance at Sep. 30, 2021 $ 87,131 $ 80,376 $ 3,610 $ (25,062) $ 146,055