6. Inventory

The Company includes within current assets the amount of inventory that is estimated to be utilized within twelve months. Inventory that will be utilized after twelve months is classified within other long-term assets.

Inventory, classified in inventory or other long-term assets, consisted of the following:


(in thousands)	March 31, 2016		December 31, 2015
Raw materials	$	6,801	$	7,506
Work in process		4,273		2,407
Finished goods		4,467		5,709

Inventory		15,541		15,622
Other long-term assets		1,156		1,156

Total	$	16,697	$	16,778

At both March 31, 2016 and December 31, 2015, inventories reported as other long-term assets included $1.2 million of raw materials.