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7. SHAREHOLDERS' EQUITY (Details) - $ / shares
3 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Options    
Exercise price $ 5.11 $ 3.15
Risk free interest rate 0.16% 1.64%
Volatility 100.72% 95.96%
Expected term 4 years 5 years
Dividend yield 0.00% 0.00%
Warrants    
Exercise price $ 3.74 $ 3.9125
Risk free interest rate 0.39% 1.48%
Volatility 103.42% 95.36%
Expected term 2 years 9 months 5 years
Dividend yield 0.00% 0.00%