Condensed Consolidated Statement of Stockholders' Equity (Unaudited) (USD $) In Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit
Beginning balance at Dec. 31, 2010	$ 10,659	$ 13	$ 181,336	$ (170,690)
Beginning balance, shares at Dec. 31, 2010		127,119,323
Stock issuance, shares		5,111,182
Stock issuance	10,000	1	9,999
Warrant and option exercise, shares		2,825,000
Warrant and option exercise	3,159		3,159
Stock-based compensation	2,470		2,470
Net Loss	(17,647)			(17,647)
Ending balance at Sep. 30, 2011	$ 8,641	$ 14	$ 196,964	$ (188,337)
Ending balance, shares at Sep. 30, 2011		135,055,505