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 for the period			3,247			3,247
Other comprehensive loss, net of tax					(17)	(17)
Common stock dividends declared			(1,542)			(1,542)
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
Issuance of common stock for directors, amount	$ 1	141				142
Issuance of common stock for directors, shares	4,760
Stock based compensation - restricted stock awards				93		93
Balance - Ending, amount at Jun. 30, 2016	$ 276	42,056	49,627	(483)	1,108	92,584
Balance - Ending, shares at Jun. 30, 2016	2,758,186
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 for the period			3,487			3,487
Other comprehensive loss, net of tax					90	90
Common stock dividends declared			(1,555)			(1,555)
Stock options exercised, amount	$ 1	312				313
Stock options exercised, shares	12,150
Issuance of restricted stock awards, amount	$ 2	426		(428)
Issuance of restricted stock awards, shares	10,950
Forfeiture of restricted stock awards, amount		(3)		3
Forfeiture of restricted stock awards, shares	(200)
Issuance of vested common stock for directors, amount		81				81
Issuance of vested common stock for directors, shares	2,056
Issuance of director's restricted stock awards, amount		83		(83)
Issuance of director's restricted stock awards, shares	2,024
Stock based compensation - restricted stock awards				122		122
Balance - Ending, amount at Jun. 30, 2017	$ 279	$ 42,984	$ 53,453	$ (738)	$ 567	$ 96,545
Balance - Ending, shares at Jun. 30, 2017	2,785,066