Business Segments (Tables)

3 Months Ended

Mar. 31, 2018

Segment Reporting [Abstract]

Revenue Information by Geographic Region

Revenue information shown by geographic region, based on the sales destination, is as follows:

	Three Months Ended
	March 31, 2018		April 1, 2017
United States	$	4,860	$	5,704
Europe		2,434		1,935
Rest of Americas		652		609
Asia/Pacific Rim		1,563		2,235
	$	9,509	$	10,483