Share-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2018

SHARE-BASED COMPENSATION.

Schedule of share-based compensation expense

Total share-based compensation expense for all of the Company’s share-based awards was as follows (in thousands):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2018		2017		2018		2017
Cost of goods sold	$	18	$	14	$	30	$	27
Selling, general and administrative		955		640		1,787		1,269
Research and development		76		87		157		172
Total share-based compensation expense	$	1,049	$	741	$	1,974	$	1,468