5. Inventory

Inventory consisted of the following:


	June 30,		December 31,
(in thousands)	2017		2016
Raw materials	$	9,261	$	9,658
Work in process		5,932		3,965
Finished goods		5,958		4,017

Total inventory	$	21,151	$	17,640

As of June 30, 2017 and December 31, 2016, the Company had $1.2 million of inventory classified within other long-term assets, which represent raw materials not expected to be used by the Company during the next twelve months.