Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2025	Sep. 28, 2024	Sep. 27, 2025	Sep. 28, 2024
Income Statement [Abstract]
Total revenues	$ 12,484	$ 11,581	$ 37,951	$ 35,973
Cost of revenues	8,471	7,258	24,201	22,057
Gross profit	4,013	4,323	13,750	13,916
Operating expenses:
Research and development	972	1,299	2,719	4,336
Sales and marketing	2,657	2,646	7,645	9,879
General and administrative	1,795	2,248	5,942	7,501
Total operating expenses	5,424	6,193	16,306	21,716
Loss from operations	(1,411)	(1,870)	(2,556)	(7,800)
Other expense, net	(158)	(46)	(1,660)	(202)
Loss from operations before provision for income taxes	(1,569)	(1,916)	(4,216)	(8,002)
Provision for income taxes	4	17	37	74
Net loss	$ (1,573)	$ (1,933)	$ (4,253)	$ (8,076)
Net loss per share:
Basic	$ (0.09)	$ (0.12)	$ (0.25)	$ (0.49)
Diluted	$ (0.09)	$ (0.12)	$ (0.25)	$ (0.49)
Weighted average shares used in computing net loss per common share:
Basic	17,009	16,581	16,843	16,374
Diluted	17,009	16,581	16,843	16,374