Business Segments (Tables)

6 Months Ended

Jun. 28, 2025

Segment Reporting [Abstract]

Schedule of Revenue Information by Product

Revenue information shown by product group is as follows (in thousands):

	Three Months Ended				Six Months Ended
	June 28, 2025		June 29, 2024		June 28, 2025		June 29, 2024
Cyclo G6	$	3,294	$	3,336	$	6,475	$	6,289
Retina		8,047		7,295		14,692		14,069
Other(1)		2,230		2,000		4,300		4,034
Total revenues	$	13,571	$	12,631	$	25,467	$	24,392

(1) Includes service contract revenues of $0.3 million and $0.1 million, and $0.6 million and $0.4 million recognized during the three and six months ended June 28, 2025 and June 29, 2024, respectively. Includes $0.3 million and $0.7 million recognized revenue related to the exclusive distribution rights during both of the three and six months ended June 28, 2025 and June 29, 2024, 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 (in thousands):

	Three Months Ended				Six Months Ended
	June 28, 2025		June 29, 2024		June 28, 2025		June 29, 2024
United States	$	5,760	$	5,598	$	11,043	$	10,919
Europe, Middle East and Africa		3,653		2,667		6,514		6,365
Asia/Pacific Rim		3,675		3,597		7,035		6,042
Americas, excluding the U.S.		483		769		875		1,066
	$	13,571	$	12,631	$	25,467	$	24,392