Annual report pursuant to Section 13 and 15(d)

Common Stock, Stock Options and Warrants (Details)

v3.19.3.a.u2
Common Stock, Stock Options and Warrants (Details)
12 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2017
Minimum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Risk-free interest rate 2.18% 2.78% 1.79%
Expected term 6 years 6 months 6 years 6 months 6 years 6 months
Expected volatility 119.00%   85.00%
Maximum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Risk-free interest rate 2.53% 2.99% 1.90%
Expected term 10 years 10 years 10 years
Expected volatility 121.00%   108.00%
Stock Options [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected dividend yield 0.00% 0.00% 0.00%
Expected volatility   116.00%