Condensed Consolidated Statements of Operations (Unaudited) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Revenues:
Research fees		$ 14,200
Contract revenue	1,621,977	16,504,165
Total Revenue:	1,621,977	16,518,365
Cost of product royalties	375,000	375,000
Expenses:
Research and development	12,032,168	4,711,610
General and administrative	2,910,256	2,840,795
Related party general and administrative, net	16,500	26,250
Total Expenses:	14,958,924	7,578,655
(Loss) income from operations	(13,711,947)	8,564,710
Interest income	72,510	56,616
Derivative gain (loss)	1,024,951	(1,867,246)
Other expense, net	(23,154)	(3,464)
(Loss) income before income taxes	(12,637,640)	6,750,616
Income tax expense	(85,000)
Net (loss) income attributable to common stockholders	$ (12,722,640)	$ 6,750,616
Basic:
Weighted average common stock shares outstanding	37,511,326	29,561,655
Basic earnings per share	$ (0.34)	$ 0.23
Diluted:
Diluted weighted average common stock shares outstanding	37,511,326	29,586,036
Diluted earnings per share	$ (0.34)	$ 0.23