Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies - Fair Value Measurements (Details)

v3.20.1
Significant Accounting Policies - Fair Value Measurements (Details)
3 Months Ended
Dec. 31, 2019
USD ($)
Sep. 30, 2019
USD ($)
Liabilities    
Warrant liabilities $ 1,190,477 $ 496,343
change in fair value of the warrant liabilities    
Fair value as of September 30, 2019 496,343  
Change in fair value 694,134  
Fair value as of December 31, 2019 1,190,477  
Fair Value Measurements Level 3 [Member]    
Liabilities    
Warrant liabilities $ 1,190,477 $ 496,343
Common stock price volatility | Minimum    
Liabilities    
Warrants and Rights Outstanding, Measurement Input 84.9  
Common stock price volatility | Maximum    
Liabilities    
Warrants and Rights Outstanding, Measurement Input 86.2  
Risk-free interest rate | Minimum    
Liabilities    
Warrants and Rights Outstanding, Measurement Input 1.58  
Risk-free interest rate | Maximum    
Liabilities    
Warrants and Rights Outstanding, Measurement Input 1.63  
Remaining contractual term (years) | Minimum    
Liabilities    
Warrants and Rights Outstanding, Term 2 years  
Remaining contractual term (years) | Maximum    
Liabilities    
Warrants and Rights Outstanding, Term 2 years 3 months 18 days