Meda License, Development and Supply Agreements (Details Textual) (USD $)	1 Months Ended	12 Months Ended
	Oct. 31, 2009	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2012 ONSOLIS [Member]	Dec. 31, 2011 ONSOLIS [Member]	Dec. 31, 2010 ONSOLIS [Member]	Dec. 31, 2012 U.S. [Member]	Dec. 31, 2012 EU [Member]	May 21, 2012 EU [Member] ONSOLIS [Member]	Dec. 31, 2012 Milestones [Member]
Meda License Development and Supply Agreement (Textual) [Abstract]
Deferred Revenue		$ 1,473,479	$ 14,154,720								$ 1,500,000
Estimated portion of upfront payments								1,400,000	100,000
Product royalty revenues		1,082,742	2,716,452	1,884,080	1,100,000	2,700,000	1,900,000
Cost of product royalties		1,909,785	1,756,629	839,208	1,900,000	1,800,000	800,000
Aggregate Revenues		54,542,426	3,262,920	3,404,897
Pre-launch milestone payment received										2,500,000
Meda License Development and Supply Agreement (Additional Textual) [Abstract]
Aggregate milestones and services revenue recognized	59,700,000	17,500,000
Additional revenues in milestones		$ 5,000,000
Shelf life of the product		24 months