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Accrued Expenses (Tables)
12 Months Ended
Sep. 30, 2019
Payables and Accruals [Abstract]  
Schedule of accrued expenses

   As of September 30, 
   2019   2018 
License fees  $   $65,000 
Legal services   228,709    833,470 
Accrued issuance costs   50,400    204,000 
Accrued payroll   171,087    276,639 
Other   167,525    211,913 
   $617,721   $1,591,022