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10. SHAREHOLDERS' EQUITY (Details) - $ / shares
12 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Options    
Expected term   10 years
Dividend yield 0.00% 0.00%
Options | Minimum    
Exercise price $ 1.57 $ 5.41
Risk free interest rate 0.16% 2.41%
Volatility 95.96% 89.60%
Expected term 3 years  
Options | Maximum    
Exercise price $ 3.15 $ 7.50
Risk free interest rate 1.64% 2.47%
Volatility 111.31% 90.68%
Expected term 10 years  
Warrants    
Expected term 5 years 5 years
Dividend yield 0.00% 0.00%
Warrants | Minimum    
Exercise price $ 1.25 $ 4.375
Risk free interest rate 1.48% 2.15%
Volatility 95.36% 70.61%
Warrants | Maximum    
Exercise price $ 3.9125 $ 7.50
Risk free interest rate 1.63% 2.90%
Volatility 96.85% 75.03%