Consolidated Statements Of Stockholders' Equity (USD $) In Thousands	Common Stock [Member]	Preferred Stock [Member]	Dividends [Member]	Additional Paid-In Capital [Member]	Retained Earnings (Deficit) [Member]	Total
Balance at Dec. 31, 2008	$ 1	$ 37,750	$ (9,222)	$ 1,429	$ 4,617	$ 34,575
Balance, shares at Dec. 31, 2008	1,019	38
Dividends accrued on preferred stock			(5,387)			(5,387)
Dividends on preferred stock			14,609	(6,336)	(8,273)
Conversion of Series A preferred stock to common stock	4	(37,750)		37,746
Conversion of Series A preferred stock to common stock, shares	4,077	(38)
Net proceeds from issuance of common stock, net of underwriters' discount and transaction costs	5			47,475		47,480
Net proceeds from issuance of common stock, net of underwriters' discount and transaction costs, shares	5,400
Issuance of shares of common stock under restricted stock award agreements, shares	3
Stock-based compensation				297		297
Net income (loss)					3,602	3,602
Balance at Dec. 31, 2009	10			80,611	(54)	80,567
Balance, shares at Dec. 31, 2009	10,499
Issuance of shares of common stock under restricted stock award agreements	1					1
Issuance of shares of common stock under restricted stock award agreements, shares	4
Stock-based compensation				255		255
Stock issued for acquisition				1,240		1,240
Stock issued for acquisition, shares	248
Net income (loss)					6,028	6,028
Balance at Dec. 31, 2010	11			82,106	5,974	88,091
Balance, shares at Dec. 31, 2010	10,751
Issuance of shares of common stock under restricted stock award agreements, shares	24
Stock-based compensation				331		331
Net income (loss)					(1,981)	(1,981)
Balance at Dec. 31, 2011	$ 11			$ 82,437	$ 3,993	$ 86,441
Balance, shares at Dec. 31, 2011	10,775