Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jan. 01, 2022	Jan. 02, 2021
Income Statement [Abstract]
Total revenues	$ 53,903	$ 36,347
Cost of revenues	31,072	20,789
Gross profit	22,831	15,558
Operating expenses:
Research and development	6,868	3,282
Sales and marketing	14,637	12,239
General and administrative	8,859	6,620
Total operating expenses	30,364	22,141
Loss from operations	(7,533)	(6,583)
Other income, net	2,348	280
Loss from operations before provision for income taxes	(5,185)	(6,303)
Provision for income taxes	40	26
Net loss	$ (5,225)	$ (6,329)
Net loss per share:
Basic	$ (0.34)	$ (0.46)
Diluted	$ (0.34)	$ (0.46)
Weighted average shares used in computing net loss per common share:
Basic	15,421	13,842
Diluted	15,421	13,842