CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Income Statement [Abstract]
Net sales	$ 32,730	$ 28,411
Cost of sales (excluding amortization, shown separately below)	5,839	23,820
Gross profit	26,891	4,591
Research and development expenses	3,297	4,429
Selling, general, and administrative expenses	16,431	19,666
Amortization of intangibles	10,445	9,899
Change in fair value of contingent consideration	215	(3,100)
Operating loss	(3,497)	(26,303)
Other income	40	55
Gain on foreign currency exchange	3,103	830
Interest expense, net	(10,293)	(15,008)
Loss before income taxes	(10,647)	(40,426)
Income tax provision (benefit)	1,382	(15,289)
Net loss	$ (12,029)	$ (25,137)
Loss per share:
Basic (in dollars per share)	$ (0.24)	$ (0.51)
Diluted (in dollars per share)	$ (0.24)	$ (0.51)
Weighted average shares outstanding:
Basic (in shares)	49,661,469	49,718,153
Diluted (in shares)	49,661,469	49,718,153