CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY AND OTHER COMPREHENSIVE INCOME (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock	Additional Paid-in Capital	Accumulated Retained Earnings (Deficit)	Accumulated Other Comprehensive Income (Loss)
Balance at Dec. 31, 2010	$ 78,602	$ 100	$ 79,942	$ (526)	$ (914)
Balance (in shares) at Dec. 31, 2010		10,033,836
Increase (Decrease) in Stockholders' Equity
Total comprehensive income	6,647			5,557	1,090
Share-based compensation expense	196		196
Common stock repurchased and retired	(70)	(1)	(69)
Common stock repurchased and retired (in shares)		(10,610)
Warrants purchased and retired	(3,660)		(3,660)
Warrants exercised	32	1	31
Warrants exercised (in shares)		41,400
Stock options exercised	70	1	69
Stock options exercised (in shares)		20,000
Balance at Jun. 30, 2011	81,817	101	76,509	5,031	176
Balance (in shares) at Jun. 30, 2011	10,084,626	10,084,626
Balance at Dec. 31, 2011	86,777	103	76,310	10,046	318
Balance (in shares) at Dec. 31, 2011	10,337,626	10,337,626
Increase (Decrease) in Stockholders' Equity
Total comprehensive income	9,344			8,503	841
Share-based compensation expense	27		27
Common stock repurchased and retired	(102)		(102)
Common stock repurchased and retired (in shares)		(13,022)
Stock options exercised	23		23
Stock options exercised (in shares)		5,330
Balance at Jun. 30, 2012	$ 96,069	$ 103	$ 76,258	$ 18,549	$ 1,159
Balance (in shares) at Jun. 30, 2012	10,329,934	10,329,934