CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Income Statement [Abstract]
Net revenues	$ 34,316	$ 36,746	$ 64,058	$ 69,215
Costs and operating expenses:
Cost of product sales	10,493	12,194	20,533	23,432
Selling, general and administrative expense	19,018	25,492	39,293	51,442
Research and development expense	82	2,499	610	3,427
Depreciation and amortization expense	18,215	21,062	36,762	44,726
Change in fair value of contingent consideration	(886)	(3,972)	(540)	(9,474)
Loss from disposal and impairments of assets	0	1,771	0	1,771
Restructuring costs	31	0	131	0
Total costs and operating expenses	46,953	59,046	96,789	115,324
Loss from operations	(12,637)	(22,300)	(32,731)	(46,109)
Other income (expense):
Interest expense	(9,209)	(8,937)	(18,168)	(17,961)
Change in fair value of derivative liability	270	159	(84)	6,953
Foreign currency transaction (loss) gain	0	(71)	0	67
Total other expense, net	(8,939)	(8,849)	(18,252)	(10,941)
Loss before income tax expense (benefit)	(21,576)	(31,149)	(50,983)	(57,050)
Income tax expense (benefit)	40	(10)	95	25
Net loss	(21,616)	(31,139)	(51,078)	(57,075)
Other comprehensive loss:
Unrealized gain during period, net of tax of $0 and $0, respectively	18	0	24	0
Comprehensive loss	$ (21,598)	$ (31,139)	$ (51,054)	$ (57,075)
Net Loss per share, basic	$ (2.16)	$ (4.67)	$ (5.10)	$ (8.93)
Net Loss per share, diluted	$ (2.16)	$ (4.67)	$ (5.10)	$ (8.93)
Weighted-average common shares, basic	10,016	6,669	10,016	6,391
Weighted-average common shares, diluted	10,016	6,669	10,016	6,391