Consolidated Statements Of Stockholders' Equity (USD $) In Thousands, except Share data	Common Stock [Member]	Additional Paid-In Capital [Member]	Unearned Compensation [Member]	Deficit Accumulated During The Development Stage [Member]	Total
Balance at Dec. 31, 2010	$ 291	$ 149,378	$ (167)	$ (100,380)	$ 49,122
Balance, shares at Dec. 31, 2010	291,202,928
Net loss				(14,512)	(14,512)
Common stock issued	35	16,696			16,731
Common stock issued, shares	34,880,599
Stock issued for note conversion	14	6,786			6,800
Stock issued for note conversion, shares	14,315,789
Nonvested shares issued	2	1,086	(733)		355
Nonvested shares issued, shares	1,859,800
Nonvested shares withheld for taxes		(28)			(28)
Nonvested shares withheld for taxes, shares	(49,232)
Stock options issued		310			310
Balance at Sep. 30, 2011	342	174,228	(900)	(114,892)	58,778
Balance, shares at Sep. 30, 2011	342,209,884
Balance at Dec. 31, 2011	342	174,317	(792)	(121,625)	52,242
Balance, shares at Dec. 31, 2011	342,103,218				342,103,218
Net loss				(20,984)	(20,984)
Nonvested shares issued	3	867	(361)		509
Nonvested shares issued, shares	2,707,500
Nonvested shares withheld for taxes		(7)			(7)
Nonvested shares withheld for taxes, shares	(25,029)
Stock options issued		287			287
Balance at Sep. 30, 2012	$ 345	$ 175,464	$ (1,153)	$ (142,609)	$ 32,047
Balance, shares at Sep. 30, 2012	344,785,689				344,785,689