Inventories (Tables)

12 Months Ended

Dec. 31, 2016

Inventory Disclosure [Abstract]

Inventories

Inventories consisted of the following (in thousands):

	December 31, 2016		December 31, 2015
Raw materials	$	25	$	180
Work in process	773		1,301
Finished goods	1,547		1,731
Total inventories	$	2,345	$	3,212