Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2018

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

Schedule of Share-based Compensation Expense

Stock-based compensation expense included in cost of goods sold and operating expenses during the three months endedMarch 31, 2018 and 2017, was as follows:

	Three Months Ended
	March 31,
	2018		2017
Cost of goods sold	$	236	$	169
Operating expenses:
Research and development	333		260
Clinical and regulatory affairs	176		260
Marketing and sales	1,114		1,058
General and administrative	1,162		1,207
Total operating expenses	$	2,785	$	2,785
Total	$	3,021	$	2,954