Annual report pursuant to Section 13 and 15(d)

Significant Accounting Policies - Fair Value Measurements (Details)

v3.20.4
Significant Accounting Policies - Fair Value Measurements (Details)
12 Months Ended
Sep. 30, 2020
USD ($)
$ / shares
Sep. 30, 2019
USD ($)
Liabilities    
Warrant liabilities $ 496,343 $ 950,151
Change in fair value of the warrant liabilities    
Fair value as of September 30 496,343 0
Extinguishment of warrant liability related to the cashless exercise of warrants   (429,677)
Extinguishment of warrant liability related to warrants redeemed for cash   (141,864)
Change in fair value 453,808 492,889
Fair value at the end $ 950,151 496,343
CMU    
Change in fair value of the warrant liabilities    
Warrants issued, assumed in connection with acquisition   104,902
Ohr    
Change in fair value of the warrant liabilities    
Warrants issued, assumed in connection with acquisition   $ 470,093
Remaining contractual term (years)    
Liabilities    
Warrants and Rights Outstanding, Measurement Input 3.0  
Remaining contractual term (years) | Minimum    
Liabilities    
Warrants and Rights Outstanding, Term 1 year 2 months 12 days 2 years 2 months 12 days
Remaining contractual term (years) | Maximum    
Liabilities    
Warrants and Rights Outstanding, Term 1 year 6 months 2 years 6 months
Common stock price volatility    
Liabilities    
Warrants and Rights Outstanding, Measurement Input 86.4  
Common stock price volatility | Minimum    
Liabilities    
Warrants and Rights Outstanding, Measurement Input 91.1 76.6
Common stock price volatility | Maximum    
Liabilities    
Warrants and Rights Outstanding, Measurement Input 96.1 78.4
Risk-free interest rate    
Liabilities    
Warrants and Rights Outstanding, Measurement Input 0.19  
Risk-free interest rate | Minimum    
Liabilities    
Warrants and Rights Outstanding, Measurement Input 0.12 1.6
Risk-free interest rate | Maximum    
Liabilities    
Warrants and Rights Outstanding, Measurement Input 0.13 1.63
Expected dividend yield    
Liabilities    
Warrants and Rights Outstanding, Measurement Input 0.0  
Fair Value Measurements Level 3 [Member]    
Liabilities    
Warrant liabilities $ 496,343 $ 950,151