Inventories (Tables)

6 Months Ended

Jun. 30, 2017

Inventory Disclosure [Abstract]

Schedule of Inventory

The components of inventories are as follows:

	June 30,		December 31,
	2017		2016
	(In thousands)
	(unaudited)
Finished goods	$	2,400	$	4,698
Raw materials		7,064		3,185
Total inventories	$	9,464	$	7,883