Segment Information and Concentration of Customers and Suppliers (Details 2) (USD $)	3 Months Ended						12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Dec. 31, 2013	Dec. 31, 2012
Geographic Information
Net product revenue							$ 25,244,000	$ 2,012,000
License revenue							55,838,000
Total revenue	44,057,000	27,379,000	5,534,000	4,112,000	1,971,000	41,000	81,082,000	2,012,000
U.S.
Geographic Information
Net product revenue							24,798,000	2,012,000
Total revenue							55,191,000	2,012,000
ROW
Geographic Information
Net product revenue							446,000
Total revenue							25,891,000
Qsymia
Geographic Information
Net product revenue							23,718,000	2,012,000
Qsymia | U.S.
Geographic Information
Net product revenue							23,718,000	2,012,000
STENDRA or SPEDRA
Geographic Information
Net product revenue							1,526,000
STENDRA or SPEDRA | U.S.
Geographic Information
Net product revenue							1,080,000
License revenue							30,393,000
STENDRA or SPEDRA | ROW
Geographic Information
Net product revenue							446,000
License revenue							25,445,000
STENDRA or SPEDRA | Germany
Geographic Information
License revenue							$ 21,000,000