Condensed Consolidated Statements of Operation (Parenthetical) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Related Party Transaction [Line Items]
Net product revenues	$ 7,361,829	$ 4,942,085	$ 10,480,461	$ 8,407,029
Royalties	834,211	686,719	1,514,588	1,287,532
Other Revenue, Net	34,496	13,615,315	69,028	22,043,897
COST OF PRODUCT REVENUES
Cost of product revenues	1,747,809	429,355	1,966,333	817,488
OPERATING EXPENSES:
Research and development	3,092	1,917,565	435,199	2,215,176
Collaborative Arrangement [Member]
Related Party Transaction [Line Items]
Net product revenues	1,922,782	511,560	2,163,183	938,340
Royalties	727,558	602,818	1,327,558	1,142,818
Other Revenue, Net	$ 0	$ 13,590,874	$ 0	$ 21,984,800