v3.26.1
Income Taxes (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 29, 2026
Mar. 30, 2025
Dec. 28, 2025
Dec. 28, 2025
Dec. 29, 2024
Dec. 28, 2024
Income Taxes [Line Items]            
Income tax expense $ (608,000)   $ 1,578,000  
Effective tax rate 10.40%   (3.70%)    
Effective tax rate fair value adjustments 21.00% 21.00%        
Effective tax rate U.S. statutory rate       21.00%    
Effective tax rate share-based compensation   21.00%        
Effective tax rate non-deductible meals and entertainment   21.00%        
Effective tax rate state taxes   21.00%   (0.90%) [1]    
Valuation allowance of recognition of deferred tax liabilities $ 800,000     $ 11,328,000 16,171,000  
Valuation allowance of deferred tax     $ 70,300 70,300  
Net change in valuation allowance     14,600,000     $ 17,300,000
Operating loss carryforwards for federal income tax     131,400,000 131,400,000    
Operating loss carryforwards for state income tax     114,800,000 114,800,000    
Deferred Tax Assets, Operating Loss Carryforwards, Foreign     $ 115,300,000 $ 115,300,000    
Operating loss carryforwards expiration, description     net operating loss carryforwards will expire between 2030 and 2044 net operating loss carryforwards will expire between 2030 and 2044    
U.S. [Member]            
Income Taxes [Line Items]            
Effective tax rate U.S. statutory rate 21.00% 21.00%        
[1] State taxes in California made up the majority (greater than 50 percent) of the tax effect in this category.