Consolidated Statements of Stockholders' Equity (Unaudited) (USD $) In Thousands, except Share data	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance at Dec. 31, 2010	$ 189,491	$ 12,297	$ (184,490)	$ 17,298
Balance (in Shares) at Dec. 31, 2010	27,015,680
Net loss			(5,911)	(5,911)	(5,911)
Share-based compensation	77	128		205	205
Common stock issued, net of issuance costs of $689 and warrant liabilities	3,806			3,806
Common stock issued, net of issuance costs of $689 and warrant liabilities (in Shares)	3,600,000
Balance at Mar. 31, 2011	193,373	12,425	(190,401)	15,397
Balance (in Shares) at Mar. 31, 2011	30,615,680
Balance at Dec. 31, 2011	245,617	12,279	(204,423)	53,473	53,473
Balance (in Shares) at Dec. 31, 2011	69,452,487
Net loss			(4,859)	(4,859)	(4,859)
Share-based compensation		72		72	72
Balance at Mar. 31, 2012	$ 245,617	$ 12,351	$ (209,282)	$ 48,686	$ 48,686
Balance (in Shares) at Mar. 31, 2012	69,452,487