Inventories (Tables)

9 Months Ended

Sep. 30, 2018

Inventory Disclosure [Abstract]

Schedule of inventories

Inventories are comprised of the following (in thousands):

	September 30, 2018		December 31, 2017
Raw materials	$	1,741	$	1,526
Work in process		1,815		1,337
Finished goods		861		1,012
Total Inventories, net	$	4,417	$	3,875