Inventory (Tables)

6 Months Ended

Jun. 30, 2018

Inventory Disclosure [Abstract]

Inventory

Inventory consists of the following (in thousands):

	June 30, 2018		December 31, 2017
Raw materials	$	1,807	$	1,796
Work-in-process		9,483		4,843
Finished goods		594		4,087
Total inventory	$	11,884	$	10,726