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SHAREHOLDERS' EQUITY (Schedule of Share Based Compensation Expenses) (Details) - USD ($) | 3 Months Ended | 9 Months Ended
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Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Employee Share Purchase Plan [Member] |  |  |  |
SHAREHOLDERS' EQUITY |  |  |  |
Compensation Expense | $ 26,504 | $ 64,881 | $ 59,143 | $ 71,017
Employee Share Purchase Plan [Member] | Research and Development [Member] |  |  |  |
SHAREHOLDERS' EQUITY |  |  |  |
Compensation Expense | 9,123 | 19,414 | 23,816 | 24,984
Employee Share Purchase Plan [Member] | General and Administrative Expenses [Member] |  |  |  |
SHAREHOLDERS' EQUITY |  |  |  |
Compensation Expense | 17,381 | 45,467 | 35,327 | 46,033
Stock Options Plan [Member] |  |  |  |
SHAREHOLDERS' EQUITY |  |  |  |
Compensation Expense | 2,757,438 | 1,444,067 | 6,593,470 | 6,276,169
Stock Options Plan [Member] | Research and Development [Member] |  |  |  |
SHAREHOLDERS' EQUITY |  |  |  |
Compensation Expense | 1,234,669 | 363,527 | 2,299,369 | 1,539,851
Stock Options Plan [Member] | General and Administrative Expenses [Member] |  |  |  |
SHAREHOLDERS' EQUITY |  |  |  |
Compensation Expense | $ 1,522,769 | $ 1,080,540 | $ 4,294,101 | $ 4,736,318

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