CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Common Stock	Paid-in capital	Retained earnings	Unearned compensation - restricted stock awards	Accumulated other comprehensive income	Total shareholders' equity
Balance - Beginning, amount at Dec. 31, 2015	$ 273	$ 41,364	$ 47,922	$ (110)	$ 1,125	$ 90,574
Balance - Beginning, shares at Dec. 31, 2015	2,733,576
Net income			1,512			1,512
Other comprehensive loss, net of tax					(46)	(46)
Common stock dividends declared			(772)			(772)
Stock options exercised, amount		87				87
Stock options exercised, shares	4,050
Issuance of restricted stock awards, amount	$ 2	464		(466)
Issuance of restricted stock awards, shares	15,800
Stock based compensation - restricted stock awards				47		47
Balance - Ending, amount at Mar. 31, 2016	$ 275	41,915	48,662	(529)	1,079	91,402
Balance - Ending, shares at Mar. 31, 2016	2,753,426
Balance - Beginning, amount at Dec. 31, 2016	$ 276	42,085	51,521	(352)	477	94,007
Balance - Beginning, shares at Dec. 31, 2016	2,758,086
Net income			1,604			1,604
Other comprehensive loss, net of tax					10	10
Common stock dividends declared			(774)			(774)
Stock options exercised, amount	$ 1	312				313
Stock options exercised, shares	12,150
Forfeiture of restricted stock awards, amount		(3)		3
Forfeiture of restricted stock awards, shares	(200)
Stock based compensation - restricted stock awards				61		61
Balance - Ending, amount at Mar. 31, 2017	$ 277	$ 42,394	$ 52,351	$ (288)	$ 487	$ 95,221
Balance - Ending, shares at Mar. 31, 2017	2,770,036