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Credit Facility (Narrative) (Details) - USD ($)
12 Months Ended
Nov. 07, 2022
Dec. 27, 2024
Dec. 29, 2023
Dec. 30, 2022
Line of Credit Facility [Line Items]        
Incremental debt issuance costs   $ 56,000 $ 14,000 $ 381,000
Revolving line of credit facility [Member]        
Line of Credit Facility [Line Items]        
Borrowing capacity under credit facility $ 100,000,000      
Maturity date Nov. 07, 2027      
Additional borrowing capacity $ 55,000,000      
Commitment fees percentage   0.125%    
Frequency of interest payments   Interest payments are made on a monthly basis    
Incremental debt issuance costs   $ 56,000 14,000  
Remaining debt issuance cost to be amortized   300,000    
Debt balance   13,000,000 33,000,000  
Amount drawn on loan   $ 300,000 $ 300,000  
Revolving line of credit facility [Member] | Base Rate [Member]        
Line of Credit Facility [Line Items]        
Margin percentage base rate   0.75%    
Revolving line of credit facility [Member] | Secured Overnight Financing Rate (SOFR) [Member]        
Line of Credit Facility [Line Items]        
Margin percentage base rate   1.50%    
Interest rate on outstanding debt   6.00%