Condensed Consolidated Statements Of Operations (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Revenues:
Product royalties	$ 2,659,728	$ 56,263	$ 2,693,954	$ 1,852,398
Research revenues		160,940	226,843	558,277
Contract revenues	4,000		10,800	250,476
Total Revenues:	2,663,728	217,203	2,931,597	2,661,151
Cost of product royalties	1,507,125	19,490	1,378,615	828,444
Expenses:
Research and development	6,215,106	3,215,749	17,625,989	6,186,745
General and administrative	2,593,913	2,092,988	6,289,277	6,494,635
Related party general and administrative, net:	20,250	20,779	57,750	(318,221)
Impairment of intangible license				243,648
Total Expenses:	8,829,269	5,329,516	23,973,016	12,606,807
Loss from operations	(7,672,666)	(5,131,803)	(22,420,034)	(10,774,100)
Interest income	61,409	63,804	147,604	71,375
Derivative gain (loss)	2,472,550	(1,110,533)	3,032,106	5,065,909
Other income (expense), net	15,156	10,148	(889)	53,071
Net loss	(5,123,551)	(6,168,384)	(19,241,213)	(5,583,745)
Net loss attributable to common stockholders	$ (5,123,551)	$ (6,168,384)	$ (19,241,213)	$ (5,583,745)
Weighted average common stock shares outstanding-basic and diluted:	(0.17)	(0.26)	(0.69)	(0.24)