Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Stock-Based Compensation Expense Recognized

Stock-based compensation expense for both time based and performance based stock options and restricted stock awards were recognized in the condensed consolidated statements of operations as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2016		2015		2016		2015
Cost of goods sold	$	73	$	52	$	139	$	51
General and administrative		345		465		578		679
Sales and marketing		80		79		128		115
Research and development		87		60		147		88
Total stock-based compensation expense	$	585	$	656	$	992	$	933