Inventories (Tables)

3 Months Ended

Mar. 31, 2019

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories are comprised of the following (in thousands):

	March 31, 2019		December 31, 2018
Raw materials	$	2,247	$	1,719
Work in process		2,034		1,807
Finished goods		892		940
Total Inventories, net	$	5,173	$	4,466