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Material accounting policies - Additional Information (Detail) |  | 3 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 04, 2024 USD ($) | Sep. 30, 2024 AUD ($) | Sep. 30, 2024 USD ($) | Jun. 30, 2024 AUD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2023 AUD ($) | Jun. 30, 2023 USD ($) | Jun. 30, 2022 AUD ($) | Jun. 30, 2023 USD ($) | May 01, 2022 USD ($) | Jun. 30, 2021 AUD ($)
Disclosure of summary of significant accounting policies [line items] |  |  |  |  |  |  |  |  |  |  |
Consolidated loss after income tax |  |  |  | $ 26,778,000 |  | $ 20,465,000 |  | $ 25,014,000 |  |  |
Net current asset position |  |  |  | 19,700,000 |  |  |  |  |  |  |
Net cash outflows from operating activities |  |  |  | 9,600,000 |  |  |  |  |  |  |
Consolidated cash in hand and at bank |  |  |  | 1,657,000 |  | 5,241,000 |  | 7,361,000 |  |  | $ 27,587,000
Proceeds from issuing shares |  |  |  | $ 2,914,000 |  | $ 12,972,000 |  | $ 3,726,000 |  |  |
Increase of aggregate offering price | $ 50,000,000 |  |  |  |  |  |  |  |  |  |
At The Market Equity Program [Member] |  |  |  |  |  |  |  |  |  |  |
Disclosure of summary of significant accounting policies [line items] |  |  |  |  |  |  |  |  |  |  |
Aggregate offering |  |  |  |  |  |  |  |  |  | $ 35,000,000 |
Proceeds from issuing shares |  |  |  |  | $ 1,656,016 |  | $ 4,203,221 |  |  |  |
American Depository Shares [member] | At The Market Equity Program [Member] |  |  |  |  |  |  |  |  |  |  |
Disclosure of summary of significant accounting policies [line items] |  |  |  |  |  |  |  |  |  |  |
Number of shares represented by one depositary receipt |  |  |  |  |  |  |  |  |  | 100 |
Net amount eligible to be offered for issue |  |  |  |  |  |  |  |  | $ 22,600,000 |  |
Major ordinary share transactions [member] | At The Market Equity Program [Member] |  |  |  |  |  |  |  |  |  |  |
Disclosure of summary of significant accounting policies [line items] |  |  |  |  |  |  |  |  |  |  |
Proceeds from the issuance of common stock |  | $ 816,373 | $ 3,609,757 |  |  |  |  |  |  |  |
Licensing agreement for paxalisib [member] |  |  |  |  |  |  |  |  |  |  |
Disclosure of summary of significant accounting policies [line items] |  |  |  |  |  |  |  |  |  |  |
Remaining useful life,licensing agreement |  |  |  | 15 years | 15 years |  |  |  |  |  |
Licensing agreement for EVT801 [member] |  |  |  |  |  |  |  |  |  |  |
Disclosure of summary of significant accounting policies [line items] |  |  |  |  |  |  |  |  |  |  |
Remaining useful life,licensing agreement |  |  |  | 12.5 years | 12.5 years |  |  |  |  |  |

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