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SHAREHOLDERS' EQUITY (Summary of Warrants Activity) (Details) - $ / shares
 9 Months Ended 12 Months Ended
Jun. 30, 2021
Sep. 30, 2020
Number of Warrants    
Number of Warrants, Beginning balance (in shares) 9,272,977 12,393,092
Warrants exercised (in shares) (3,913,227) (3,120,115)
Number of Warrants, Ending balance (in shares) 5,359,750 9,272,977
Weighted Average Exercise Price    
Weighted Average Exercise Price, Beginning balance (in dollar per share) $ 1.73 $ 1.31
Weighted average exercise price, warrants exercised (in dollar per share) (0.10) (0.08)
Weighted Average Exercise Price, Ending balance (in dollar per share) $ 2.92 $ 1.73