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(6) Accrued Expenses (Tables)
12 Months Ended
Dec. 26, 2020
Payables and Accruals [Abstract]  
Accrued expenses
       2020     2019  
Accrued legal and accounting  $71,671   $62,725 
Accrued payroll and related costs   626,063    518,015 
Accrued other   106,357    234,426 
                
   $804,091   $815,166