CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED) (USD $) In Thousands, unless otherwise specified	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Total	Series A Preferred Stock [Member] Preferred Stock [Member]	Series A Preferred Stock [Member] Common Stock [Member]	Series A Preferred Stock [Member] Additional Paid-In Capital [Member]	Series A Preferred Stock [Member] Retained Earnings [Member]	Series A Preferred Stock [Member]	Series B Preferred Stock [Member] Preferred Stock [Member]	Series B Preferred Stock [Member] Common Stock [Member]	Series B Preferred Stock [Member] Additional Paid-In Capital [Member]	Series B Preferred Stock [Member] Retained Earnings [Member]	Series B Preferred Stock [Member]
Balance at Dec. 31, 2011	$ 4	$ 101	$ 74,683	$ 31,678	$ 106,466
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	0	0	1,780	1,780
Stock-based compensation	0	0	21	0	21
Dividend declared on preferred stock						0	0	0	(70)	(70)	0	0	0	(585)	(585)
Amortization of discount on preferred stock	0	0	158	(158)	0
Balance at Jun. 30, 2012	4	101	74,862	32,645	107,612
Balance at Dec. 31, 2012	4	101	74,996	33,895	108,996
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	0	0	853	853
Stock-based compensation	0	0	48	0	48
Dividend declared on preferred stock											0	0	0	(585)	(585)
Amortization of discount on preferred stock	0	0	135	(135)	0
Balance at Jun. 30, 2013	$ 4	$ 101	$ 75,179	$ 34,028	$ 109,312