Inventory

6 Months Ended

Jun. 30, 2019

Inventory Disclosure [Abstract]

Inventory

Inventory

Inventory consisted of the following as of June 30, 2019 and December 31, 2018 (in thousands):

	June 30, 2019		December 31, 2018
Raw materials	$	3,950	$	4,961
Work in process	—		490
Finished goods	1,207		759
Total inventories	$	5,157	$	6,210

Finished goods manufactured by the Company have a 36-month shelf life from date of manufacture.