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INCOME TAXES (Reconciliation of Income Taxes at Statutory Rates) (Details) - USD ($) | 12 Months Ended
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Sep. 30, 2023 | Sep. 30, 2022
Loss for the year before income tax | $ (26,580,743) | $ (35,215,072)
Tax recovery at statutory income tax rates | (7,177,000) | (9,509,000)
Non-deductible share-based payments | 643,000 | 963,000
Other permanent differences including foreign exchange | (4,000) | (25,000)
Change in statutory, foreign tax, foreign exchange rates and other | 1,212,000 | 1,288,000
Adjustment to prior years provision versus statutory tax returns and expiry of non-capital losses | 325,000 | 165,000
Change in valuation allowance | 5,003,000 | 7,007,000
Total income tax expense | 1,600 | (111,821)
ESSA Pharmaceuticals Corp [Member] |  |
Total income tax expense | $ 2,000 | $ (111,000)

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