Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 28, 2024	Sep. 30, 2023	Sep. 28, 2024	Sep. 30, 2023
Income Statement [Abstract]
Total revenues	$ 11,581	$ 12,850	$ 35,973	$ 39,411
Cost of revenues	7,258	7,229	22,057	22,489
Gross profit	4,323	5,621	13,916	16,922
Operating expenses:
Research and development	1,299	1,541	4,336	5,135
Sales and marketing	2,646	3,823	9,879	12,370
General and administrative	2,248	1,945	7,501	6,343
Total operating expenses	6,193	7,309	21,716	23,848
Loss from operations	(1,870)	(1,688)	(7,800)	(6,926)
Other income (expense), net	(46)	(58)	(202)	346
Loss from operations before provision for income taxes	(1,916)	(1,746)	(8,002)	(6,580)
Provision for income taxes	17	8	74	30
Net loss	$ (1,933)	$ (1,754)	$ (8,076)	$ (6,610)
Net loss per share:
Basic	$ (0.12)	$ (0.11)	$ (0.49)	$ (0.41)
Diluted	$ (0.12)	$ (0.11)	$ (0.49)	$ (0.41)
Weighted average shares used in computing net loss per common share:
Basic	16,581	16,231	16,374	16,089
Diluted	16,581	16,231	16,374	16,089