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(6) Accrued Expenses (Tables)
3 Months Ended
Jul. 01, 2017
Payables and Accruals [Abstract]  
Accrued expenses
    July 1,      December 31,  
     2017      2016  
               
Accrued legal and accounting  $82,617   $87,690 
Accrued payroll   477,190    456,063 
Accrued other   279,803    80,206 
  
   $839,610   $623,959