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Significant Accounting Policies: Marketing Fees and Software License Fees (Details) - USD ($)
12 Months Ended
Dec. 26, 2020
Dec. 28, 2019
Dec. 29, 2018
Revenue recognition      
Deferred revenue $ 8,708,300 $ 9,575,500 $ 10,177,300
Franchise fees      
Revenue recognition      
Deferred revenue 6,823,100 7,623,800  
Revenue 1,444,500 1,540,900 1,580,300
Marketing Fees      
Revenue recognition      
Revenue 1,300,000 1,300,000 1,300,000
Software License Fees      
Revenue recognition      
Deferred revenue 1,655,100 1,741,800  
Revenue $ 300,000 $ 300,000 $ 300,000