Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Condensed Consolidated Statements of Operations
Net product sales	$ 44,530	$ 64,197	$ 80,246	$ 123,581
Cost of product sales	23,063	13,997	38,029	25,835
Operating Expenses:
Selling, general and administrative	40,425	42,672	80,115	89,600
Research and development	10,675	12,471	20,555	22,269
Provision for contingent litigation	70		28,383
Impairment of goodwill	9,600		9,600
Restructuring	51		1,751
Total operating expenses	60,821	55,143	140,404	111,869
Loss from operations	(39,354)	(4,943)	(98,187)	(14,123)
Interest expense, net	(7,449)	(7,069)	(14,651)	(14,000)
Other income, net	223	1,116	961	1,601
Loss before provision for income taxes	(46,580)	(10,896)	(111,877)	(26,522)
Provision for income taxes	(229)	(254)	(486)	(453)
Net loss	$ (46,809)	$ (11,150)	$ (112,363)	$ (26,975)
Net loss per common share—basic and diluted	$ (1.59)	$ (0.39)	$ (3.81)	$ (0.94)
Weighted-average shares outstanding—basic and diluted	29,504	28,582	29,487	28,556