Inventories (Tables)

6 Months Ended

Jun. 30, 2017

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories consists of the following (in thousands):

	June 30, 2017		December 31, 2016
Raw materials	$	2,541	$	3,291
Work in process	576		790
Finished goods	2,716		3,044
Total inventories	$	5,833	$	7,125