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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Unaudited) - USD ($)
$ in Thousands
Common Stock and Paid in Capital [Member]
Retained Earnings [Member]
Accumulated Other Comprehensive Income (Loss), Net [Member]
Total
Balance, beginning at Dec. 31, 2017 $ 50,290 $ 26,023 $ 237 $ 76,550
Balance, beginning (in shares) at Dec. 31, 2017 3,448,569      
Increase (Decrease) in Stockholders' Equity        
Net income   5,505   5,505
Other comprehensive income (loss)     (2,905) (2,905)
Shares issued $ 83     83
Shares issued (in shares) 6,122      
Shares repurchased $ (523)     (523)
Shares repurchased (in shares) (20,628)      
Effect of employee stock purchases $ 9     9
Stock options exercised and issued (in shares) 1,241      
Stock-based compensation expense $ 198     198
Restricted stock units vested (in shares) 7,303      
Adoption effect of ASU 2016-01 [1]   244 (244)  
Stock dividend declared $ 4,335 (4,342)   (7)
Stock dividend declared (in shares) 172,094      
Cash dividends declared   (1,921)   (1,921)
Balance, ending at Sep. 30, 2018 $ 54,392 25,509 (2,912) 76,989
Balance, ending (in shares) at Sep. 30, 2018 3,614,701      
Balance, beginning at Jun. 30, 2018 $ 54,289 24,146 (2,167) 76,268
Balance, beginning (in shares) at Jun. 30, 2018 3,613,080      
Increase (Decrease) in Stockholders' Equity        
Net income   2,014   2,014
Other comprehensive income (loss)     (745) (745)
Shares issued $ 33     33
Shares issued (in shares) 1,590      
Shares repurchased (in shares) (400)      
Effect of employee stock purchases $ 3     3
Stock options exercised and issued (in shares) 431      
Stock-based compensation expense $ 67     67
Cash dividends declared   (651)   (651)
Balance, ending at Sep. 30, 2018 $ 54,392 25,509 (2,912) 76,989
Balance, ending (in shares) at Sep. 30, 2018 3,614,701      
Balance, beginning at Dec. 31, 2018 $ 54,523 26,686 (732) $ 80,477
Balance, beginning (in shares) at Dec. 31, 2018 3,616,483     3,616,483
Increase (Decrease) in Stockholders' Equity        
Net income   4,144   $ 4,144
Other comprehensive income (loss)     3,826 3,826
Shares issued $ 99     99
Shares issued (in shares) 6,728      
Effect of employee stock purchases $ 11     11
Stock options exercised and issued $ 46     $ 46
Stock options exercised and issued (in shares) 3,390     3,390
Stock-based compensation expense $ 379     $ 379
Restricted stock units issued (in shares) 7,787      
Special cash dividends declared   (2,180)   (2,180)
Cash dividends declared   (2,176)   (2,176)
Balance, ending at Sep. 30, 2019 $ 55,058 26,474 3,094 $ 84,626
Balance, ending (in shares) at Sep. 30, 2019 3,634,388     3,634,388
Balance, beginning at Jun. 30, 2019 $ 54,756 28,359 2,548 $ 85,663
Balance, beginning (in shares) at Jun. 30, 2019 3,632,917      
Increase (Decrease) in Stockholders' Equity        
Net income   1,021   1,021
Other comprehensive income (loss)     546 546
Shares issued $ 40     40
Shares issued (in shares) 1,471      
Effect of employee stock purchases $ 4     4
Stock-based compensation expense 258     258
Special cash dividends declared   (2,180)   (2,180)
Cash dividends declared   (726)   (726)
Balance, ending at Sep. 30, 2019 $ 55,058 $ 26,474 $ 3,094 $ 84,626
Balance, ending (in shares) at Sep. 30, 2019 3,634,388     3,634,388
[1] ASU 2016-01 is further addressed in Note 1 to the financial statements.