Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Jan. 01, 2022
Income Statement [Abstract]
Total revenues	$ 56,972	$ 53,903
Cost of revenues	31,604	31,072
Gross profit	25,368	22,831
Operating expenses:
Research and development	7,175	6,868
Sales and marketing	18,178	14,637
General and administrative	7,557	8,859
Total operating expenses	32,910	30,364
Loss from operations	(7,542)	(7,533)
Other income, net	60	2,348
Loss from operations before provision for income taxes	(7,482)	(5,185)
Provision for income taxes	65	40
Net loss	$ (7,547)	$ (5,225)
Net loss per share:
Basic	$ (0.47)	$ (0.34)
Diluted	$ (0.47)	$ (0.34)
Weighted average shares used in computing net loss per common share:
Basic	15,938	15,421
Diluted	15,938	15,421