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Credit Facility (Narrative) (Details) - USD ($)
12 Months Ended
Apr. 03, 2020
Dec. 30, 2022
Dec. 31, 2021
Jan. 01, 2021
Nov. 07, 2022
Line of Credit Facility [Line Items]          
Incremental debt issuance costs   $ 381,000 $ 4,000 $ 21,000  
Revolving line of credit facility [Member]          
Line of Credit Facility [Line Items]          
Borrowing capacity under credit facility $ 45,000,000.0       $ 100,000,000.0
Maturity date Nov. 30, 2022        
Additional borrowing capacity         $ 55,000,000.0
Increase in interest payable 0.50%        
Commitment fees percentage   0.25%      
Frequency of interest payments   Interest payments are made on a monthly basis      
Incremental debt issuance costs   $ 400,000 4,000    
Remaining debt issuance cost to be amortized   300,000      
Debt balance   60,000,000.0 $ 0    
Amount drawn on loan   $ 300,000      
Revolving line of credit facility [Member] | LIBOR Floor Rate [Member]          
Line of Credit Facility [Line Items]          
Margin percentage base rate 0.75%        
Revolving line of credit facility [Member] | London Interbank Offered Rate (LIBOR) [Member]          
Line of Credit Facility [Line Items]          
Margin percentage base rate   1.75%      
Revolving line of credit facility [Member] | Base Rate [Member]          
Line of Credit Facility [Line Items]          
Margin percentage base rate   1.00%