Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2018

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

Schedule of stock-based compensation expense recognized

The following table presents stock-based compensation expense recognized in the Company’s accompanying condensed consolidated statements of operations:

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2018		2017		2018		2017
Cost of goods sold	$	322	$	198	$	812	$	514
Sales and marketing	193		183		892		474
General and administrative	1,540		1,089		3,741		2,315
Research and development	352		187		974		461
Total stock-based compensation expense	$	2,407	$	1,657	$	6,419	$	3,764