CCONSOLIDATED STATEMENTS OF LOSS AND COMPREHENSIVE LOSS (USD $) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Statement [Abstract]
Net revenues	$ 175,850	$ 121,747	$ 84,872
Costs and operating expenses:
Cost of product sales	51,408	47,965	43,870
Selling, general and administrative expense	97,421	60,158	62,551
Research and development expense	8,229	3,938	4,798
Loss on disposal of assets, impairments of intangibles	24,352	242	19,638
Loss on sale of PML (including impairment charge)	0	6,659	0
Depreciation and amortization expense	94,695	32,999	8,676
Change in fair value of contingent consideration	(138)	0	(805)
Restructuring costs	1,137	0	0
Total costs and operating expenses	277,104	151,961	138,728
Loss from operations	(101,254)	(30,214)	(53,856)
Other income (expense):
Interest income	157	353	134
Change in fair value of put right	0	0	(8,361)
Gain on contingent consideration and put right	0	0	16,269
Gain on sale of investment	0	0	3,605
Cost of inducement	(19,500)	0	0
Loss on extinguishment of debt	(1,112)	0	0
Foreign currency transaction loss	(582)	0	0
Change in fair value of derivative liability	19,315	0	0
Interest expense	(38,277)	(19,150)	(4,183)
Total other (expense) income, net	(39,999)	(18,797)	7,464
Loss before income tax expense (benefit)	(141,253)	(49,011)	(46,392)
Income tax expense (benefit)	7,062	(13,725)	(20,757)
Net loss	(148,315)	(35,286)	(25,635)
Other comprehensive loss
Unrealized loss during period, net of tax of $0, $0 and ($411), respectively	0	0	(702)
Reclassification adjustment for net gains included in net loss, net of tax of $0, $0 and ($1,332), respectively	0	0	(2,273)
Comprehensive loss	$ (148,315)	$ (35,286)	$ (28,610)
Net loss per share, basic	$ (2.78)	$ (0.93)	$ (0.70)
Net loss per share, diluted	$ (2.78)	$ (0.93)	$ (0.70)
Weighted-average common shares, basic	53,321	37,871	36,444
Weighted-average common shares, diluted	53,321	37,871	36,444