Inventories (Tables)

6 Months Ended

Jun. 30, 2018

Inventory Disclosure [Abstract]

Inventories

Inventories at June 30, 2018 and December 31, 2017, consisted of the following (in thousands):

	June 30, 2018		December 31, 2017
Work-in-process	$	2,843	$	4,299
Finished goods		10,087		10,158
Total inventories	$	12,930	$	14,457