CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE (LOSS) GAIN (Unaudited) (USD $) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Income Statement [Abstract]
Net revenues	$ 28,139	$ 29,742
Costs and operating expenses:
Cost of product sales	8,961	10,040
Selling, general and administrative expense	17,283	20,275
Research and development expense	4	528
Depreciation and amortization expense	9,865	18,547
Change in fair value of contingent consideration	263	346
Restructuring costs	829	100
Total costs and operating expenses	37,205	49,836
Loss from operations	(9,066)	(20,094)
Other income (expense):
Interest expense	(9,460)	(8,959)
Change in fair value of derivative liability	(19)	(354)
Total other expense, net	(9,479)	(9,313)
Loss before income tax expense	(18,545)	(29,407)
Income tax expense	39	55
Net loss	(18,584)	(29,462)
Other comprehensive loss:
Unrealized gain during period, net of tax of $0 and $0, respectively	0	6
Comprehensive loss	$ (18,584)	$ (29,456)
Net Loss per share, basic	$ (1.57)	$ (2.94)
Net Loss per share, diluted	$ (1.57)	$ (2.94)
Weighted-average common shares, basic	11,869	10,016
Weighted-average common shares, diluted	11,869	10,016