CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Income Statement [Abstract]
Net revenues	$ 32,469	$ 33,889
Costs and operating expenses:
Cost of product sales	11,238	11,596
Selling, general and administrative expense	25,950	20,466
Research and development expense	928	994
Depreciation and amortization expense	23,664	18,433
Change in fair value of contingent consideration	(5,502)	0
Restructuring costs	0	1,305
Total costs and operating expenses	56,278	52,794
Loss from operations	(23,809)	(18,905)
Other income (expense):
Interest income	0	56
Foreign currency transaction gain	138	0
Change in fair value of derivative liability	6,794	0
Interest expense	(9,024)	(9,398)
Total other expense, net	(2,092)	(9,342)
Loss before income tax expense (benefit)	(25,901)	(28,247)
Income tax expense (benefit)	35	(4,573)
Net loss	$ (25,936)	$ (23,674)
Net Loss per share, basic	$ (0.42)	$ (0.62)
Net Loss per share, diluted	$ (0.42)	$ (0.62)
Weighted-average common shares, basic	61,121	38,453
Weighted-average common shares, diluted	61,121	38,453