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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   3,491   3,491
Other comprehensive income (loss)     (2,160) (2,160)
Shares issued $ 50     50
Shares issued (in shares) 4,532      
Shares repurchased $ (523)     (523)
Shares repurchased (in shares) (20,228)      
Effect of employee stock purchases $ 6     6
Stock options exercised and issued (in shares) 809      
Stock-based compensation expense $ 131     131
Restricted stock units vested (in shares) 7,304      
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   (1,270)   (1,270)
Balance, ending at Jun. 30, 2018 $ 54,289 24,146 (2,167) 76,268
Balance, ending (in shares) at Jun. 30, 2018 3,613,080      
Balance, beginning at Mar. 31, 2018 $ 50,139 27,306 (1,831) 75,614
Balance, beginning (in shares) at Mar. 31, 2018 3,439,837      
Increase (Decrease) in Stockholders' Equity        
Net income   1,833   1,833
Other comprehensive income (loss)     (336) (336)
Shares issued $ 17     17
Shares issued (in shares) 3,036      
Shares repurchased $ (271)     (271)
Shares repurchased (in shares) (10,000)      
Effect of employee stock purchases $ 3     3
Stock options exercised and issued (in shares) 809      
Stock-based compensation expense $ 66     66
Restricted stock units vested (in shares) 7,304      
Stock dividend declared $ 4,335 (4,342)   (7)
Stock dividend declared (in shares) 172,094      
Cash dividends declared   (651)   (651)
Balance, ending at Jun. 30, 2018 $ 54,289 24,146 (2,167) 76,268
Balance, ending (in shares) at Jun. 30, 2018 3,613,080      
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   3,123   $ 3,123
Other comprehensive income (loss)     3,280 3,280
Shares issued $ 59     59
Shares issued (in shares) 5,257      
Effect of employee stock purchases $ 7     7
Stock options exercised and issued $ 46     $ 46
Stock options exercised and issued (in shares) 3,390     3,390
Stock-based compensation expense $ 121     $ 121
Restricted stock units issued (in shares) 7,787      
Cash dividends declared   (1,450)   (1,450)
Balance, ending at Jun. 30, 2019 $ 54,756 28,359 2,548 $ 85,663
Balance, ending (in shares) at Jun. 30, 2019 3,632,917     3,632,917
Balance, beginning at Mar. 31, 2019 $ 54,621 27,598 482 $ 82,701
Balance, beginning (in shares) at Mar. 31, 2019 3,619,510      
Increase (Decrease) in Stockholders' Equity        
Net income   1,487   1,487
Other comprehensive income (loss)     2,066 2,066
Shares issued $ 12     12
Shares issued (in shares) 3,253      
Effect of employee stock purchases $ 3     3
Stock options exercised and issued $ 46     46
Stock options exercised and issued (in shares) 3,390      
Stock-based compensation expense $ 64     64
Restricted stock units issued $ 10     10
Restricted stock units issued (in shares) 6,764      
Cash dividends declared   (726)   (726)
Balance, ending at Jun. 30, 2019 $ 54,756 $ 28,359 $ 2,548 $ 85,663
Balance, ending (in shares) at Jun. 30, 2019 3,632,917     3,632,917
[1] ASU 2016-01 is further addressed in Note 1 to the financial statements.