Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2024	Jul. 01, 2023	Jun. 29, 2024	Jul. 01, 2023
Income Statement [Abstract]
Total revenues	$ 12,631	$ 12,855	$ 24,392	$ 26,561
Cost of revenues	7,496	7,492	14,799	15,260
Gross profit	5,135	5,363	9,593	11,301
Operating expenses:
Research and development	1,501	1,845	3,037	3,594
Sales and marketing	3,487	4,264	7,233	8,547
General and administrative	2,785	2,148	5,253	4,398
Total operating expenses	7,773	8,257	15,523	16,539
Loss from operations	(2,638)	(2,894)	(5,930)	(5,238)
Other income (expense), net	(22)	138	(156)	404
Loss from operations before provision for income taxes	(2,660)	(2,756)	(6,086)	(4,834)
Provision for income taxes	19	10	57	22
Net loss	$ (2,679)	$ (2,766)	$ (6,143)	$ (4,856)
Net loss per share:
Basic	$ (0.16)	$ (0.17)	$ (0.38)	$ (0.3)
Diluted	$ (0.16)	$ (0.17)	$ (0.38)	$ (0.3)
Weighted average shares used in computing net loss per common share:
Basic	16,287	16,036	16,270	16,018
Diluted	16,287	16,036	16,270	16,018