Inventory (Tables)

3 Months Ended

Mar. 31, 2019

Inventory Disclosure [Abstract]

Schedule of Inventory

Inventory consisted of the following as of the date indicated (in thousands):

	March 31, 2019		December 31, 2018
Raw materials	$	2,634	$	3,408
Work in process	3,877		4,054
Finished goods	6,460		5,711
Total inventory	$	12,971	$	13,173