Inventories

3 Months Ended

Apr. 01, 2017

Inventories

3. Inventories

Inventories are stated at the lower of average cost or market and consist of the following:

	April 1,		December 31,
	2017		2016
	(In thousands)
Raw materials	$	11,000	$	10,290
Work-in-progress		10,351		6,470
Finished goods		2,726		8,116
	$	24,077	$	24,876

Finished goods inventory consists primarily of completed systems at customer sites that are undergoing installation and acceptance testing.