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(7) Acccrued Expenses (Tables)
6 Months Ended
Jun. 27, 2020
Payables and Accruals [Abstract]  
Accrued expenses
    June 27,      December 28,  
     2020      2019  
           
Accrued legal and accounting  $42,255   $62,725 
Accrued payroll and related expenses   755,148    518,015 
Accrued other   111,591    234,426 
  
   $908,994   $815,166