CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Preferred Stock [Member]	Preferred Stock [Member] Series A Preferred Stock [Member]	Preferred Stock [Member] Series B Preferred Stock [Member]	Common Stock [Member]	Common Stock [Member] Series A Preferred Stock [Member]	Common Stock [Member] Series B Preferred Stock [Member]	Additional Paid-In Capital [Member]	Additional Paid-In Capital [Member] Series A Preferred Stock [Member]	Additional Paid-In Capital [Member] Series B Preferred Stock [Member]	Retained Earnings [Member]	Retained Earnings [Member] Series A Preferred Stock [Member]	Retained Earnings [Member] Series B Preferred Stock [Member]	Total	Series A Preferred Stock [Member]	Series B Preferred Stock [Member]
Balance at Dec. 31, 2014	$ 4			$ 101			$ 75,848			$ 7,857			$ 83,810
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	0			0			0			4,535			4,535
Stock-based compensation	0			0			120			0			120
Dividend declared			$ 0			$ 0			$ 0			$ (2,105)			$ (2,105)
Amortization of discount on Series B preferred stock			0			0			271			(271)			0
Exercised Options	0			0			96			0			96
Balance at Dec. 31, 2015	4			101			76,335			10,016			86,456
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	0			0			0			15,540			15,540
Stock issuance (2,015,500 shares) net of expenses of $575	0			20			10,490			0			10,510
Stock-based compensation	0			0			184			0			184
Stock redemption on Series B preferred stock (23,393 shares)			0			0			(23,393)			0			(23,393)
Dividend declared		$ 0	$ 0		$ 0	$ 0		$ 0	0		$ (210)	(1,231)		$ (210)	(1,231)
Amortization of discount on Series B preferred stock									$ 270			$ (270)			$ 0
Exercised Options	0			0			74			0			74
Balance at Dec. 31, 2016	$ 4			$ 121			$ 63,960			$ 23,845			$ 87,930