INVENTORIES (Tables)

3 Months Ended

Mar. 31, 2018

Inventory Disclosure [Abstract]

Schedule of components of inventories

The components of inventories are as follows (in thousands):

	March 31,		December 31,
	2018		2017
Raw materials	$	16,721	$	16,500
Work-in-process	8,427		8,371
Finished goods	14,895		16,540
Total	$	40,043	$	41,411