Condensed Consolidated Statements of Comprehensive Loss (Unaudited) (USD $)	3 Months Ended		6 Months Ended		236 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012
Condensed Consolidated Statements of Comprehensive Loss [Abstract]
Revenue	$ 250,000		$ 500,000		$ 1,400,000
Operating expenses:
General and administrative	418,676	571,282	865,039	1,168,879	69,679,927
Research and development	20,545	58,358	41,239	83,954	116,082,837
Purchased in-process research and development					12,146,544
Operating expenses before accrual reversal	439,221	629,640	906,278	1,252,833	197,909,308
Accrual reversal		(561,196)		(561,196)	(561,195)
Total operating expenses	439,221	68,444	906,278	691,637	197,348,113
Loss from operations	(189,221)	(68,444)	(406,278)	(691,637)	(195,948,113)
Interest expense	(105,716)	(465,258)	(209,113)	(919,009)	(14,698,223)
Investment income	29	166	277	499	7,705,281
Other income (expense), net			905		(1,473,159)
Gain on early extinguishment of debt					6,277,100
Forgiveness of debt					476,837
Net loss	(294,908)	(533,536)	(614,209)	(1,610,147)	(197,660,277)
Preferred stock beneficial conversion feature					(8,062,712)
Accrual of preferred stock dividends and modification of warrants held by preferred stock stockholders					(1,229,589)
Net loss attributable to common stockholders	(294,908)	(533,536)	(614,209)	(1,610,147)	(206,952,578)
Other comprehensive income Net change in unrealized loss on marketable securities	(12,938)		(7,057)		(7,057)
Comprehensive loss	$ (307,846)	$ (533,536)	$ (621,266)	$ (1,610,147)	$ (206,959,635)
Basic and diluted net loss attributable to common stockholders per share	$ (0.01)	$ (0.02)	$ (0.02)	$ (0.06)
Weighted average common shares outstanding	30,635,720	28,302,129	30,635,720	27,548,076