Inventories

3 Months Ended

Mar. 31, 2016

Inventory Disclosure [Abstract]

Inventories

Inventories consist of the following (in thousands):

	March 31, 2016		December 31, 2015
Finished goods	$	27,285	$	25,778
Parts and materials	12,693		12,637
Work in progress	1,724		2,491
Total inventories	$	41,702	$	40,906

We include freight costs incurred for shipping inventory to customers in the Cost of product sales line of the Consolidated Statements of Operations.