Inventory (Tables)

9 Months Ended

Sep. 30, 2018

Inventory Disclosure [Abstract]

Inventory

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

	September 30, 2018		December 31, 2017
Raw materials	$	19,942	$	20,119
Finished goods	19,279		25,346
Total inventory	$	39,221	$	45,465