Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands		12 Months Ended
		Dec. 29, 2024	Dec. 31, 2023	Jan. 01, 2023
Revenue		$ 20,112	$ 21,198	$ 16,180
Cost of revenue		8,226	6,711	7,378
Gross profit		11,886	14,487	8,802
Operating expenses:
Research and development		6,544	6,448	5,001
Selling, general and administrative		8,773	7,969	7,601
Operating income (loss)		(3,431)	70	(3,800)
Interest expense		(406)	(215)	(148)
Interest income and other (expense) income, net		(1)	(116)	(221)
Income (loss) before income taxes		(3,838)	(261)	(4,169)
Provision for income taxes		3	2	98
Net income (loss)		$ (3,841)	$ (263)	$ (4,267)
Net income (loss) per share: (1)
Basic and diluted (in dollars per share)	[1]	$ (0.26)	$ (0.02)	$ (0.34)
Weighted average shares: (1)
Basic and diluted (in shares)	[1]	14,510	13,453	12,588

[1] Note: Net income (loss) equals total comprehensive income (loss) for all years presented.