Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Net Revenues	$ 176,842	$ 128,622	$ 76,322
Operating Expenses
Cost of sales (excluding depreciation and amortization)	79,032	48,780	12,692
Research and development	9,070	2,906	2,874
Selling, general, and administrative	31,580	27,829	21,156
Depreciation and amortization	27,928	22,343	6,900
Intangible asset impairment charge	903	6,685	0
Total Operating Expenses	148,513	108,543	43,622
Operating Income	28,329	20,079	32,700
Other Expense, net
Interest expense, net	(12,035)	(11,327)	(11,008)
Other income/(expense), net	55	(74)	41
Income Before Provision for Income Taxes	16,349	8,678	21,733
Provision for income taxes	(17,425)	(4,744)	(6,358)
Net (Loss)/Income	$ (1,076)	$ 3,934	$ 15,375
Basic and Diluted (Loss)/Earnings Per Share:
Basic (Loss)/Earnings Per Share (in dollars per share)	$ (0.09)	$ 0.34	$ 1.34
Diluted (Loss)/Earnings Per Share (in dollars per share)	$ (0.09)	$ 0.34	$ 1.32
Basic Weighted-Average Shares Outstanding (in shares)	11,547	11,445	11,370
Diluted Weighted-Average Shares Outstanding (in shares)	11,547	11,573	11,557