Meda License, Development and Supply Agreements (Details Textual) (USD $)	1 Months Ended		3 Months Ended		6 Months Ended		12 Months Ended	6 Months Ended							6 Months Ended
	Jun. 30, 2010	Oct. 31, 2009	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011	Jun. 30, 2012 ONSOLIS [Member]	Jun. 30, 2011 ONSOLIS [Member]	Jun. 30, 2012 U.S. [Member]	Jun. 30, 2012 EU [Member]	May 21, 2012 EU [Member] ONSOLIS [Member]	Jun. 30, 2012 Milestones [Member] EU [Member]	Jun. 30, 2012 Research and development [Member] EU [Member]	Jun. 30, 2012 Maximum [Member]	Jun. 30, 2012 Minimum [Member]	Jun. 30, 2012 Minimum [Member] ONSOLIS [Member]
Meda License Development and Supply Agreement (Textual) [Abstract]
Aggregate Revenues			$ 15,049,600	$ 38,406	$ 45,113,400	$ 267,868
Additional revenues in milestones					2,500,000
Deferred contract			16,555,520		16,555,520		14,154,720						16,600,000	15,000,000
Estimated portion of upfront payments	300,000									1,500,000	100,000
Product royalties						34,225	1,000,000	0	30,000
Cost of product royalties			375,000	(425,930)	750,000	(128,510)		800,000	(100,000)
Estimated cost in connection to reformulation project															800,000	600,000	600,000
Pre-launch milestone payment received												2,500,000
Credit to cost of product royalties									400,000
Minimum royalty payments not paid									750,000
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			$ 16,555,520		$ 16,555,520		$ 14,154,720						$ 16,600,000	$ 15,000,000