Meda License, Development and Supply Agreements (Details Textual) (USD $)	1 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended	9 Months Ended							9 Months Ended
	Oct. 31, 2009	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011	Sep. 30, 2012 ONSOLIS [Member]	Sep. 30, 2011 ONSOLIS [Member]	Sep. 30, 2012 U.S. [Member]	Sep. 30, 2012 EU [Member]	May 21, 2012 EU [Member] ONSOLIS [Member]	Sep. 30, 2012 Milestones [Member] EU [Member]	Sep. 30, 2012 Research and development [Member] EU [Member]	Sep. 30, 2012 Maximum [Member]	Sep. 30, 2012 Minimum [Member]
Meda License Development and Supply Agreement (Textual) [Abstract]
Aggregate Revenues		$ 49,600	$ 2,663,728	$ 45,162,175	$ 2,931,597
Additional revenues in milestones				2,500,000
Deferred contract		16,505,920		16,505,920		14,154,720						16,500,000	15,000,000
Estimated portion of upfront payments									1,500,000	100,000
Product royalties			2,659,728		2,693,954	1,000,000	0	2,700,000
Cost of product royalties		375,000	1,507,125	1,125,000	1,378,615		1,100,000	1,400,000
Estimated cost in connection to reformulation project														800,000	600,000
Pre-launch milestone payment received											2,500,000
Meda License Development and Supply Agreement (Additional Textual) [Abstract]
Aggregate milestones and services revenue recognized	59,800,000
Estimated revenue in milestones to be recognized				17,600,000
Deferred contract		$ 16,505,920		$ 16,505,920		$ 14,154,720						$ 16,500,000	$ 15,000,000