Inventory

3 Months Ended

Mar. 31, 2019

Inventory Disclosure [Abstract]

Inventory

Inventory

Inventory consists of the following:

(in thousands)	MARCH 31, 2019		DECEMBER 31, 2018
Raw materials	$	766	$	836
Work-in-process	7,377		6,885
Finished goods	2,049		2,391
Total inventory	$	10,192	$	10,112