Property and Equipment - Components of Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 28, 2024	Dec. 30, 2023
Components of property and equipment
Less: accumulated depreciation and amortization	$ (13,983)	$ (13,740)
Property and equipment, net	115	351
Equipment
Components of property and equipment
Property and equipment, gross	11,604	11,597
Leasehold Improvements
Components of property and equipment
Property and equipment, gross	$ 2,494	$ 2,494