Business Segments (Tables)

3 Months Ended

Mar. 28, 2020

Segment Reporting [Abstract]

Schedule of Revenue Information by Product

Revenue information shown by product group is as follows:

	Three Months Ended
(in thousands)	March 28, 2020		March 30, 2019
G6	$	2,923	$	3,106
Retina		4,134		5,599
Other(1)		1,964		1,890
Total revenues	$	9,021	$	10,595
(1) Incudes service contract revenues of $315 and $308 recognized during the three months ended March 28, 2020 and March 30, 2019, respectively. Other also includes revenues from paid service, royalty, freight and legacy G probes.

Revenue Information by Geographic Region

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

	Three Months Ended
(in thousands)	March 28, 2020		March 30, 2019
United States	$	4,441	$	5,202
Europe		1,984		2,477
Rest of Americas		403		618
Asia/Pacific Rim		2,193		2,298
Total revenues	$	9,021	$	10,595