Condensed Consolidated Statement of Stockholders' Equity (USD $) In Thousands, except Share data	Total USD ($)	Common Stock USD ($)	Preferred Stock USD ($)	Preferred Stock Series B Preferred Stock	Additional Paid-in Capital USD ($)	Accumulated Deficit USD ($)
Balance at Dec. 31, 2010	$ (12,792)	$ 82	$ 2		$ 377,538	$ (390,414)
Balance, shares at Dec. 31, 2010		8,238,982	195,842
Stock-based compensation	1,184	1			1,182
Stock-based compensation, shares		72,228
Restricted stock grants, net of forfeitures, shares		31,000
Issuance of common stock	4,842	12			4,830
Issuance of common stock, shares		1,141,186
Issuance of Series B preferred stock, shares				12,564
Issuance of warrants	2,936				2,936
Stock option exercises	66				66
Stock option exercises, shares		20,000
Preferred stock dividends	(5,747)				(5,747)
Preferred stock accretion	(1,141)				(1,141)
Net income	10,677					10,677
Balance at Sep. 30, 2011	$ 24	$ 95	$ 2		$ 379,664	$ (379,737)
Balance, shares at Sep. 30, 2011		9,503,396	208,406