CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenues:
Product revenues, net	$ 8,768	$ 7,375	$ 15,454	$ 10,940
Other revenues	18,850	5,203	38,133	9,695
Total revenues, net	27,618	12,578	53,587	20,635
Costs and expenses:
Cost of product sales (exclusive of amortization shown separately below)	2,948	3,360	5,704	5,898
Selling, general and administrative	32,234	22,731	63,080	60,190
Research and development	728	1,474	822	5,886
Amortization of intangible assets	8,534	2,134	17,047	3,406
Change in fair value of contingent consideration	3,594		8,037
Total costs and expenses	48,038	29,699	94,690	75,380
Loss from operations	(20,420)	(17,121)	(41,103)	(54,745)
Interest expense	(6,727)	(593)	(13,380)	(900)
Other income (expense), net	109	(270)	520	4,527
Loss before income taxes	(27,038)	(17,984)	(53,963)	(51,118)
Income tax expense (benefit)	482	(509)	1,034	145
Net loss	$ (27,520)	$ (17,475)	$ (54,997)	$ (51,263)
Basic net loss per common share (in dollars per share)	$ (0.42)	$ (0.27)	$ (0.83)	$ (0.88)
Diluted net loss per common share (in dollars per share)	$ (0.42)	$ (0.27)	$ (0.83)	$ (0.96)
Shares used in computing basic net loss per common share	66,110	64,360	65,901	58,258
Shares used in computing diluted net loss per common share	66,110	64,363	65,901	58,362