Business Segments (Tables)

6 Months Ended

Jun. 29, 2019

Segment Reporting [Abstract]

Schedule of Revenue Information by Product

Revenue information shown by product group is as follows:

	Three Months Ended				Six Months Ended
(in thousands)	June 29, 2019		June 30, 2018		June 29, 2019		June 30, 2018
G6	$	3,351	$	3,014	$	6,457	$	5,855
Retina		5,248		5,577		10,847		10,488
Other(1)		1,827		1,713		3,717		3,470
Total revenues	$	10,426	$	10,304	$	21,021	$	19,813
(1) Incudes service contract revenues of $296 and $293 and $604 and $597 recognized during the three and six months ended June 29, 2019 and June 30, 2018, 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				Six Months Ended
(in thousands)	June 29, 2019		June 30, 2018		June 29, 2019		June 30, 2018
United States	$	5,327	$	5,114	$	10,529	$	9,974
Europe		2,587		2,226		5,064		4,660
Rest of Americas		754		656		1,372		1,308
Asia/Pacific Rim		1,758		2,308		4,056		3,871
Total revenues	$	10,426	$	10,304	$	21,021	$	19,813