Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Income Statement [Abstract]
Revenues	$ 77,966	$ 73,314	$ 154,440	$ 148,137
Cost of goods sold	42,215	40,647	84,988	79,701
Gross profit	35,751	32,667	69,452	68,436
Operating expenses
Sales and marketing expenses	9,843	9,229	19,150	18,301
General and administrative expenses	9,238	15,444	18,751	24,567
Research and development expenses	2,608	2,638	5,644	8,834
Total operating expenses	21,689	27,311	43,545	51,702
Gain on sale of assets	117		5,945
Operating income	14,179	5,356	31,852	16,734
Interest expense, net	(6,978)	(13,876)	(13,996)	(24,499)
Loss on extinguishment of debt		(15,528)		(15,528)
Other income, net	396	800	454	417
Income (loss) before income taxes	7,597	(23,248)	18,310	(22,876)
Provision for income taxes	247	1,175	637	1,172
Net income (loss)	$ 7,350	$ (24,423)	$ 17,673	$ (24,048)
Net income (loss) per weighted average common share outstanding:
Basic and Diluted	$ 0.24	$ (1.29)	$ 0.58	$ (1.30)
Weighted average common shares outstanding:
Basic	30,377,562	18,898,003	30,372,901	18,489,451
Diluted	30,542,728	18,898,003	30,453,776	18,489,451