Inventories

12 Months Ended

Dec. 31, 2016

Inventory Disclosure [Abstract]

Inventories

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

Inventory write offs, including adjustments to carry inventory at lower of cost or market were $2.4 million, $1.0 million and $0.8 million in 2016, 2015 and 2014, respectively.