Annual report pursuant to Section 13 and 15(d)

Note 4 - Revenue - Summary of Recognition of Revenue Related to Deferred Franchise Development and Opening Fees (Details 1) (Details) (Parentheticals)

v3.22.4
Note 4 - Revenue - Summary of Recognition of Revenue Related to Deferred Franchise Development and Opening Fees (Details 1) (Details) (Parentheticals)
Dec. 25, 2022
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-12-25  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 0 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-12-30  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-12-28  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-12-27  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-12-26  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-12-25  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2028-12-30  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 1 year