Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION - Stock compensation activity (Details)

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STOCK-BASED COMPENSATION - Stock compensation activity (Details) - USD ($)
6 Months Ended 12 Months Ended
Mar. 31, 2021
Sep. 30, 2020
Option Shares Outstanding    
Outstanding at September 30, 2020 18,248,346  
Awarded 1,095,000  
Forfeited/Cancelled (213,348)  
Outstanding at March 31, 2021 19,129,998 18,248,346
Vested at March 31, 2021 17,059,070  
Vested and expected to vest at March 31, 2021 19,129,998  
Weighted Average Exercise Price    
Outstanding at September 30, 2020 $ 0.36  
Awarded 0.17  
Forfeited/Cancelled 0.44  
Outstanding at March 31, 2021 0.35 $ 0.36
Vested at March 31, 2021 0.37  
Vested and expected to vest at March 31, 2021 $ 0.35  
Weighted Average Remaining Contractual Term (years)    
Outstanding at September 30, 2020   2 years 7 months 2 days
Awarded 0 years  
Forfeited/Cancelled 0 years  
Outstanding at March 31, 2021 2 years 5 months 12 days  
Vested at March 31, 2021 2 years 6 months 7 days  
Vested and expected to vest at March 31, 2021 2 years 5 months 12 days  
Aggregate Intrinsic Value    
Outstanding at September 30, 2020 $ 79,330  
Awarded 0  
Forfeited/Cancelled 0  
Outstanding at March 31, 2021 123,233 $ 79,330
Vested at March 31, 2021 83,541  
Vested and expected to vest at March 31, 2021 $ 123,233