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 ($)
9 Months Ended 12 Months Ended
Jun. 30, 2021
Sep. 30, 2020
Option Shares Outstanding    
Outstanding at September 30, 2020 18,248,346  
Awarded 2,495,000  
Forfeited/Cancelled (213,348)  
Outstanding at June 30, 2021 20,529,998 18,248,346
Vested at June 30, 2021 17,608,293  
Vested and expected to vest at June 30, 2021 20,529,998  
Weighted Average Exercise Price    
Outstanding at June 30, 2020 $ 0.36  
Awarded 0.15  
Forfeited/Cancelled 0.44  
Outstanding at June 30, 2021 0.34 $ 0.36
Vested at June 30, 2021 0.36  
Vested and expected to vest at June 30, 2021 $ 0.34  
Weighted Average Remaining Contractual Term (years)    
Outstanding at September 30, 2020   2 years 7 months 2 days
Outstanding at June 30, 2021 2 years 1 month 24 days  
Vested at June 30, 2021 2 years 4 months 17 days  
Vested and expected to vest at June 30, 2021 2 years 1 month 24 days  
Aggregate Intrinsic Value    
Outstanding at September 30, 2020 $ 79,330  
Awarded 0  
Forfeited/Cancelled 0  
Outstanding at June 30, 2021 247,403 $ 79,330
Vested at June 30, 2021 97,368  
Vested and expected to vest at June 30, 2021 $ 247,403