Inventory

3 Months Ended

Mar. 31, 2020

Inventory Disclosure [Abstract]

Inventory

Inventory

        Inventory consists of the following as of March 31, 2020 and December 31, 2019 (in thousands):

	As of
	March 31, 2020		December 31, 2019
Raw materials	$	436	$	412
Work in process	440		258
Finished goods	209		320
Total	$	1,085	$	990

For the three months ended March 31, 2020, an inventory write-off of $169 thousand was recorded and, for the three months ended March 31, 2019, no inventory write-off was recorded.