Balance Sheet Components - Property and Equipment, net (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 01, 2023	Oct. 02, 2022	Oct. 01, 2023	Oct. 02, 2022	Jan. 01, 2023
Property, Plant and Equipment
Total property and equipment	$ 9,558		$ 9,558		$ 8,377
Less: accumulated depreciation and amortization	(5,120)		(5,120)		(3,986)
Property and equipment, net	4,438		4,438		4,391
Depreciation and amortization			3,546	$ 2,980
Leasehold improvements
Property, Plant and Equipment
Total property and equipment	$ 4,075		$ 4,075		3,802
Leasehold improvements | Minimum
Property, Plant and Equipment
Estimated Useful Lives (in years)	3 years		3 years
Leasehold improvements | Maximum
Property, Plant and Equipment
Estimated Useful Lives (in years)	9 years		9 years
Equipment
Property, Plant and Equipment
Total property and equipment	$ 3,019		$ 3,019		2,659
Equipment | Minimum
Property, Plant and Equipment
Estimated Useful Lives (in years)	3 years		3 years
Equipment | Maximum
Property, Plant and Equipment
Estimated Useful Lives (in years)	7 years		7 years
Furniture and fixtures
Property, Plant and Equipment
Total property and equipment	$ 2,032		$ 2,032		1,880
Furniture and fixtures | Minimum
Property, Plant and Equipment
Estimated Useful Lives (in years)	3 years		3 years
Furniture and fixtures | Maximum
Property, Plant and Equipment
Estimated Useful Lives (in years)	7 years		7 years
Construction in progress
Property, Plant and Equipment
Total property and equipment	$ 432		$ 432		$ 36
Property and equipment, net
Property, Plant and Equipment
Depreciation and amortization	$ 800	$ 700	$ 2,200	$ 1,700