Quarterly Financial Information (Unaudited) - Narrative (Details) (USD $)	3 Months Ended					12 Months Ended			3 Months Ended
	Dec. 31, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Jun. 30, 2011 Actavis [Member]	Mar. 31, 2011 Actavis [Member]	Jun. 30, 2011 Striant [Member]
Interim Period, Costs Not Allocable [Line Items]
Provision for sales returns	$ 500,000	$ 100,000		$ 100,000		$ (625,452)	$ 358,287	$ 1,781,617
Severance Costs	900,000	400,000
Write-down of impaired assets						889,869	0	0
Gain on sale of STRIANT					(2,500,000)	0	2,533,127	0	8,600,000	8,500,000	(2,500,000)
Revenue Recognition, Milestone Method, Revenue Recognized From Related Parties					5,000,000
Reversed accruals			$ 200,000			$ (217,572)	$ (1,838,756)	$ (1,870,466)