Inventories

6 Months Ended

Jun. 30, 2018

Inventory Disclosure [Abstract]

Inventories

INVENTORIES

Our major classes of inventories were as follows as of June 30, 2018 and December 31, 2017 (in thousands):

	June 30, 2018		December 31, 2017
Raw materials	$	11,285	$	9,505
Work in process	1,380		4,146
Finished goods	18,009		20,792
Total inventories	$	30,674	$	34,443

Total inventories decreased by $3.8 million from December 31, 2017 primarily due to increased sales.