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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

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- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 + Details
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