Inventories (Tables)

6 Months Ended

Jun. 30, 2020

Inventory Disclosure [Abstract]

Schedule of major classes of inventories

Our major classes of inventories were as follows as of June 30, 2020 and December 31, 2019 (in thousands):

	June 30, 2020		December 31, 2019
Raw materials	$	8,270	$	5,211
Work in process	6,999		6,248
Finished goods	15,119		20,094
Total inventories	$	30,388	$	31,553