Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Preferred Stock.	Common Stock	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Total
Balance at Dec. 31, 2016	$ 7,261	$ 25,920	$ 9,706	$ (523)	$ 42,364
Increase (Decrease) in Stockholders' Equity
Net income			3,137		3,137
Stock based compensation		92			92
Change in accumulated other comprehensive income				440	440
Dividend declared and paid on common stock			(162)		(162)
Conversion of cumulative preferred	(7,077)	7,077
Redemption of cumulative preferred	$ (184)	(8)			(192)
Dividend declared and paid on preferred stock			(238)		(238)
Balance at Sep. 30, 2017		33,081	12,443	(83)	45,441
Balance at Dec. 31, 2017		33,138	13,142	(446)	45,834
Increase (Decrease) in Stockholders' Equity
Net income			3,656		3,656
Stock based compensation		94			94
Change in accumulated other comprehensive income				(489)	(489)
Dividend declared and paid on common stock			(506)		(506)
Balance at Sep. 30, 2018		$ 33,232	16,380	(1,023)	$ 48,589
Increase (Decrease) in Stockholders' Equity
Reclassification of disproportionate tax effect			$ 88	$ (88)