v3.26.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Textual) - USD ($)
3 Months Ended 12 Months Ended
Mar. 29, 2026
Mar. 30, 2025
Dec. 28, 2025
Dec. 29, 2024
Summary Of Significant Accounting Policies [Line Items]        
Accumulated depreciation and amortization, property, plant, and equipment $ 1,400,000   $ 1,300,000  
Deposit contracts, assets 1,800,000   1,800,000  
Property, plant and equipment, other, accumulated depreciation 3,300,000   3,100,000  
Impairment of long-lived assets held-for-use 0   0  
Revenue, remaining performance obligation, amount 0   0  
Contract with customer, performance obligation satisfied in previous period 0 $ 0    
Capitalized contract cost, gross 0      
Accounts receivable, net of allowance for credit losses $ 11,637,000   11,898,000 $ 17,100,000
Effective income tax rate reconciliation, percent 10.80% 20.20%    
Valuation allowance $ 1,500,000   $ 1,500,000  
Minimum        
Summary Of Significant Accounting Policies [Line Items]        
Useful life 3 years      
Maximum        
Summary Of Significant Accounting Policies [Line Items]        
Useful life 10 years