Condensed Consolidated Statements of Operations (USD $)	3 Months Ended		9 Months Ended		123 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011
Revenue	$ 0	$ 0	$ 0	$ 0	$ 0
Costs and expenses:
Research and development	95,897	236,734	541,292	305,500	29,369,296
General and administrative	165,946	278,897	609,542	1,264,666	20,323,939
In-process research and development charge	0	0	0	0	11,887,807
Impairment of intangible assets	0	0	0	0	1,248,230
Loss on disposition of intangible assets	0	0	0	0	1,213,878
Total operating expenses	261,843	515,631	1,150,834	1,570,166	64,043,150
Operating loss	(261,843)	(515,631)	(1,150,834)	(1,570,166)	(64,043,150)
Other (income) expense:
Equity in losses of Hedrin JV	0	0	0	0	(750,000)
Change in fair value of derivative liability	(2,100,898)	(830,165)	39,587	2,696,900	(2,455,261)
Interest and other income	(196)	(76,275)	(4,518,150)	(228,305)	(7,610,133)
Interest expense	1,165,078	349,562	1,882,886	937,555	3,795,334
Loss on early extinguishment of debt	1,225,912	0	(1,225,912)	(159,070)	(1,384,982)
Realized gain on sale of marketable equity securities	0	0	0	0	(76,032)
Total other (income) expense	289,896	(556,878)	(1,448,939)	(1,828,580)	(4,211,110)
Net income (loss)	(551,739)	41,247	298,105	258,414	(59,832,040)
Preferred stock dividends (including imputed amounts)	0	0		0	(1,179,645)
Net income (loss) applicable to common shares	$ (551,739)	$ 41,247	$ 298,105	$ 258,414	$ (61,011,685)
Net income (loss) per common share:
Basic and diluted (in dollars per share)	$ (0.16)	$ 0.02	$ 0.10	$ 0.12
Weighted average shares of common stock outstanding:
Basic and diluted (in shares)	3,431,031	2,419,305	2,861,792	2,176,257