Inventories (Tables)

6 Months Ended

Jun. 30, 2016

Inventories

Schedule of major classes of inventories

Our major classes of inventories were as follows as of June 30, 2016 and December 31, 2015 (in thousands):

	June 30, 2016		December 31, 2015
Raw materials	$	14,987	$	19,673
Work in process		3,058		1,985
Finished goods		21,519		18,987
Total inventories	$	39,564	$	40,645