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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%