Annual report pursuant to Section 13 and 15(d)

Note 2 - Summary of Significant Accounting Policies (Details Textual)

v3.22.4
Note 2 - Summary of Significant Accounting Policies (Details Textual)
$ in Thousands
 12 Months Ended
Dec. 25, 2022
USD ($)
Dec. 26, 2021
USD ($)
Dec. 27, 2020
USD ($)
Payments of Financing Costs, Total $ 0 $ 612 $ 961
Amortization of Debt Discount (Premium) 217 386 346
Revenue Recognized Gift Cards Breakage 4,200 3,200 2,300
Revenue from Contract with Customer, Excluding Assessed Tax $ 505,858 429,123 277,748
Lessee, Operating Lease, Renewal Term (Year) 5 years    
Advertising Expense $ 3,100 2,700 2,900
Franchise [Member]      
Revenue from Contract with Customer, Excluding Assessed Tax 20,571 18,533 11,737
Non-US [Member]      
Revenue from Contract with Customer, Excluding Assessed Tax 2,845 2,270 1,857
Non-US [Member] | Franchise [Member]      
Revenue from Contract with Customer, Excluding Assessed Tax $ 2,845 $ 2,270 $ 1,857
Franchised Units [Member]      
Number of Restaurants 74    
Franchised Units [Member] | Non-US [Member]      
Number of Restaurants 23    
Franchise Income [Member]      
Percentage Of Franchise Royalties On Adjusted Gross Sales Of Franchisee 5.00%    
Percentage Of Advertising Fee To Be Paid By Franchisee Upon Adjusted Gross Sales 1.00%    
Minimum [Member]      
Tax Benefit Realized Upon Settlement Percentage 50.00%    
Maximum [Member]      
Period For Redemption Of Gift Cards (Year) 5 years    
Lessee, Operating Lease, Renewal Term (Year) 20 years    
Building and Building Improvements [Member] | Minimum [Member]      
Property, Plant and Equipment, Useful Life (Year) 20 years    
Building and Building Improvements [Member] | Maximum [Member]      
Property, Plant and Equipment, Useful Life (Year) 40 years    
Equipment [Member]      
Property, Plant and Equipment, Useful Life (Year) 5 years    
Furniture and Fixtures [Member] | Minimum [Member]      
Property, Plant and Equipment, Useful Life (Year) 5 years    
Furniture and Fixtures [Member] | Maximum [Member]      
Property, Plant and Equipment, Useful Life (Year) 7 years    
Computer Equipment [Member] | Minimum [Member]      
Property, Plant and Equipment, Useful Life (Year) 3 years    
Computer Equipment [Member] | Maximum [Member]      
Property, Plant and Equipment, Useful Life (Year) 5 years    
Leasehold Improvements [Member] | Minimum [Member]      
Property, Plant and Equipment, Useful Life (Year) 5 years    
Leasehold Improvements [Member] | Maximum [Member]      
Property, Plant and Equipment, Useful Life (Year) 20 years