Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 30, 2024	Apr. 01, 2023
Income Statement [Abstract]
Total revenues	$ 11,761	$ 13,706
Cost of revenues	7,303	7,768
Gross profit	4,458	5,938
Operating expenses:
Research and development	1,536	1,749
Sales and marketing	3,747	4,283
General and administrative	2,468	2,250
Total operating expenses	7,751	8,282
Loss from operations	(3,293)	(2,344)
Other income (expense), net	(133)	266
Loss from operations before provision for income taxes	(3,426)	(2,078)
Provision for income taxes	38	12
Net loss	$ (3,464)	$ (2,090)
Net loss per share:
Basic	$ (0.21)	$ (0.13)
Diluted	$ (0.21)	$ (0.13)
Weighted average shares used in computing net loss per common share:
Basic	16,253	16,001
Diluted	16,253	16,001