Income Taxes Income Tax Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 28, 2024	Dec. 30, 2023
Income Tax Disclosure [Abstract]
Federal statutory rate	21.00%	21.00%
Statutory rate applied to loss from continuing operations before taxes	$ (2,570)	$ (365)
Plus state income taxes, net of federal tax effect	17	5
Total statutory provision (benefit)	(2,553)	(360)
Nondeductible meals and entertainment	38	31
Executive compensation limitation	24	0
Federal tax credits	(220)	(343)
State tax credits	(22)	(74)
Reserve for uncertain tax positions	5	37
Change in valuation allowance	2,573	797
Stock-based compensation	125	105
Other items	1	21
Income tax provision (benefit)	$ (29)	$ 214

Effective Income Tax Rate Reconciliation, Nondeductible Expense, Compensation Limitation, Amount

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Effective Income Tax Rate Reconciliation, State Tax Credit, Amount

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Income Tax Reconciliation, Income Tax Expense (Benefit), at Federal and State Statutory Income Tax Rates

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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