Inventory (Tables)

12 Months Ended

Dec. 31, 2017

Inventory Disclosure [Abstract]

Inventory

rovisions are made to reduce excess, obsolete or slow-moving inventories to their net realizable value. Inventories consisted of the following at December 31 (in thousands):

	2017		2016
Raw materials	$	20,119	$	18,002
Finished goods	25,346		16,839
Total inventory	$	45,465	$	34,841