Inventory (Tables)

9 Months Ended

Sep. 30, 2017

Inventory Disclosure [Abstract]

Components of Inventory

Inventory consists of the following (in thousands):

	September 30, 2017		December 31, 2016
Raw materials	$	345	$	—
Work-in-process		2,329		2,120
Finished goods		455		211
Total inventory	$	3,129	$	2,331