Consolidated Statement Of Changes In Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Preferred Stock [Member] Series B Preferred Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Series B Preferred Stock [Member]	Total
Balance at Dec. 31, 2016	$ 164		$ 60,163	$ (17,767)	$ 2	$ (3,275)	$ 5	$ 39,292
Net income				960				960
Other comprehensive loss					(3)			(3)
Restricted stock expense, net of forfeitures			122					122
Cash dividends declared on Series B preferred stock and accretion of discount			54	(429)				(375)
Balance at Jun. 30, 2017	164		60,339	(17,236)	(1)	(3,275)	$ 5	39,996
Balance at Dec. 31, 2017	235		60,484	(17,087)	(47)	(3,324)		40,261
Net income				1,922				1,922
Other comprehensive loss					(69)			(69)
Issuance of 4,000 stock based incentive plan shares, net of forfeitures	(1)							(1)
Restricted stock expense, net of forfeitures			192					192
Stock option expense, net of forfeitures
Exercise of warrants to common stock	1		138					139
Cash dividends declared on Series B preferred stock and accretion of discount			38	(38)
Balance at Jun. 30, 2018	$ 235		$ 60,852	$ (15,203)	$ (116)	$ (3,324)		$ 42,444