Inventory (Tables)

6 Months Ended

Jun. 30, 2018

Inventory Disclosure [Abstract]

Inventory

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

	2018		2017
Raw materials	$	20,288	$	20,119
Finished goods	23,679		25,346
Total inventory	$	43,967	$	45,465