Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Net Revenues	$ 47,268	$ 44,764	$ 93,751	$ 81,392
Operating Expenses:
Cost of sales (excluding depreciation and amortization)	16,593	21,122	37,286	37,508
Research and development	5,137	2,167	7,239	3,785
Selling, general, and administrative	9,962	7,380	18,918	14,673
Depreciation and amortization	8,313	7,101	16,508	13,807
Total Operating Expenses	40,005	37,770	79,951	69,773
Operating Income	7,263	6,994	13,800	11,619
Other Expense, net
Interest expense, net	(3,730)	(3,025)	(7,364)	(5,957)
Other expense, net	(30)	(19)	(91)	(37)
Income Before Provision for Income Taxes	3,503	3,950	6,345	5,625
Provision for income taxes	(726)	(1,269)	(1,318)	(1,792)
Net Income	$ 2,777	$ 2,681	$ 5,027	$ 3,833
Basic and Diluted Earnings Per Share:
Basic Earnings Per Share	$ 0.24	$ 0.23	$ 0.43	$ 0.33
Diluted Earnings Per Share	$ 0.23	$ 0.23	$ 0.42	$ 0.33
Basic Weighted-Average Shares Outstanding	11,679	11,546	11,634	11,536
Diluted Weighted-Average Shares Outstanding	11,789	11,667	11,748	11,659