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Accrued Liabilities (Tables)
12 Months Ended
Sep. 30, 2021
Accrued Liabilities  
Schedule of components of accrued liabilities
          
   2021  2020
Clinical site costs and patient visits  $2,035,800   $760,900 
Accrued compensation and benefits   1,201,903    567,805 
Fixed contract accruals   649,649    367,429 
All other accrued liabilities   1,727,422    1,620,440 
 Total accrued liabilities  $5,614,774   $3,316,574