Condensed Consolidated Statements of Operations (Unaudited) (USD $)	3 Months Ended		9 Months Ended		230 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011
Condensed Consolidated Statements of Operations [Abstract]
Revenues					$ 900,000
Operating expenses:
Research and development	24,426	95,745	108,380	776,977	116,056,659
General and administrative	512,453	637,920	1,681,332	2,121,160	68,463,274
Purchased in-process research and development					12,146,544
Total operating expenses	536,879	733,665	1,789,712	2,898,137	196,666,477
Loss from operations	(536,879)	(733,665)	(1,789,712)	(2,898,137)	(195,766,477)
Gain on early extinguishment of debt		6,277,100		6,277,100	6,277,100
Other income (expense)	58,814		620,009		(897,869)
Interest expense, net	(475,607)	(710,732)	(1,394,616)	(2,050,098)	(14,045,242)
Investment income	129	448	629	1,529	7,704,944
Forgiveness of debt	476,837		476,837		476,837
Preferred stock beneficial conversion feature					(8,062,712)
Accrual of preferred stock dividends and modification of warrants held by preferred stockholders					(1,229,589)
Net income (loss)	(476,706)	4,833,151	(2,086,853)	1,330,394	(196,250,707)
Net income (loss)					$ (205,543,008)
Net income (loss) per share, basic	$ (0.02)	$ 0.15	$ (0.07)	$ 0.03
Net income (loss) per share, diluted	$ (0.02)	$ 0.13	$ (0.07)	$ 0.03
Weighted average common shares, basic	31,662,313	27,055,645	28,934,559	26,566,634
Weighted average common shares, diluted	31,662,313	31,955,645	28,934,559	31,466,634