Inventories

9 Months Ended

Sep. 30, 2019

Inventory Disclosure [Abstract]

Inventories

Inventories consisted of the following (in thousands):

	September 30, 2019		December 31, 2018
Raw materials	$	2,336	$	1,333
Work in process		68		88
Finished goods		168		676
Inventories	$	2,572	$	2,097