INVENTORIES (Tables)

9 Months Ended

Sep. 30, 2018

INVENTORIES

Schedule of inventories

(in thousands)	As of September 30, 2018		As of December 31, 2017
Raw materials	$	20,049	$	19,929
Work in process		12,649		8,996
Finished goods		39,903		40,213
Total inventories	$	72,601	$	69,138