Condensed Consolidated Statements of Operation (Parenthetical) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Related Party Transaction [Line Items]
Net product revenues	$ 5,620,889	$ 4,129,112	$ 16,101,350	$ 12,536,141
Royalties	1,017,609	782,694	2,532,197	2,070,226
Other Revenue, Net	34,540	34,888	103,568	22,078,785
COST OF PRODUCT REVENUES
Cost of product revenues	1,297,043	636,232	3,263,376	1,453,720
OPERATING EXPENSES:
Research and development	3,092	474,987	435,199	2,690,163
Collaborative Arrangement [Member]
Related Party Transaction [Line Items]
Net product revenues	1,426,890	574,956	3,590,073	1,513,296
Royalties	904,839	702,336	2,232,397	1,845,154
Other Revenue, Net	$ 0	$ 0	$ 0	$ 21,974,383