Geographic Information and Customer Concentration - Schedule of revenues by product line (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Revenue, Major Customer [Line Items]
Net revenues	$ 7,091,262	$ 6,673,038	$ 8,230,536	$ 3,833,541	$ 6,376,869	$ 4,946,694	$ 19,244,119	$ 12,494,339	$ 25,828,377	$ 43,062,021	$ 45,676,297
Portion of consolidation revenue by product									10.00%
Customer concentration risk [Member]
Revenue, Major Customer [Line Items]
Net revenues									25,828,377	43,062,021	45,676,297
Customer concentration risk [Member] | Crinone [Member]
Revenue, Major Customer [Line Items]
Net revenues									22,045,871	17,807,014	21,249,096
Customer concentration risk [Member] | Actavis Royalties and Deferred Revenue Recognition [Member]
Revenue, Major Customer [Line Items]
Net revenues									3,079,379	24,625,204	18,118,833
Customer concentration risk [Member] | RepHresh [Member]
Revenue, Major Customer [Line Items]
Net revenues									0	0	1,971,981
Customer concentration risk [Member] | Replens [Member]
Revenue, Major Customer [Line Items]
Net revenues									0	662	1,815,365
Customer concentration risk [Member] | Striant [Member]
Revenue, Major Customer [Line Items]
Net revenues									84,602	454,453	1,293,416
Customer concentration risk [Member] | Prochieve [Member]
Revenue, Major Customer [Line Items]
Net revenues									100,000	(284,521)	716,872
Customer concentration risk [Member] | Other [Member]
Revenue, Major Customer [Line Items]
Net revenues									$ 518,525	$ 459,209	$ 510,734