Business Segments (Tables)

9 Months Ended

Oct. 01, 2016

Segment Reporting [Abstract]

Revenue Information by Geographic Region

Revenue information shown by geographic region, based on the location at which each sale originates, is as follows:

	Three Months Ended				Nine Months Ended
(in thousands)	October 1, 2016		October 3, 2015		October 1, 2016		October 3, 2015
United States	$	5,871	$	5,791	$	18,642	$	16,763
Europe		2,191		2,083		6,779		5,763
Rest of Americas		476		506		1,858		2,041
Asia/Pacific Rim		1,251		1,435		6,349		5,077
	$	9,789	$	9,815	$	33,628	$	29,644