INVENTORIES (Tables)

3 Months Ended

Mar. 31, 2016

INVENTORIES

Schedule of inventories

Inventories consist of (in thousands):

	Balance as of
	March 31,		December 31,
	2016		2015
Raw materials	$	8,528	$	8,645
Work-in-process		94		247
Finished goods		2,429		4,282
Deferred costs		373		428
Inventories	$	11,424	$	13,602