INVENTORIES (Tables)

3 Months Ended

Mar. 31, 2017

INVENTORIES

Schedule of inventories

Inventories consist of the following (in thousands):

	Balance as of
	March 31,		December 31,
	2017		2016
Raw materials	$	14,210	$	9,412
Work-in-process		239		2,984
Finished goods		2,741		3,110
Deferred costs		—		680
Inventories	$	17,190	$	16,186