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Financial Risk Management Objectives and Policies (Tables) | 12 Months Ended
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Jun. 30, 2025
Interest rate risk [member] |
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items] |
Summary of Judgments of Reasonably Possible Movements | At June 30, 2025, 2024 and 2023, if interest rates moved, with all variables held constant, post tax (loss)/profit and equity would have been affected as illustrated in the following table:
|  | Post tax (loss)/profit impact |
|  | 2025 |  |  | 2024 |  |  | 2023 |
|  | US$(000's) |  |  | US$(000's) |  |  | US$(000's) |
Judgments of reasonably possible movements |  |  |  |  |  |  |  |  |
+0.50% (50 basis points) (2024:+0.50%, 2023:+0.50%) |  |  | 120 |  |  |  | 283 |  |  |  | 270 |
-0.50% (50 basis points) (2024:-0.50%, 2023:-0.50%) |  |  | (120 | ) |  |  | (283 | ) |  |  | (270 | )
Currency Risk |
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items] |
Summary of Judgments of Reasonably Possible Movements | At June 30, 2025, 2024 and 2023, had the United States dollar moved with all other variables held constant, post-tax (loss) profit and equity would have been affected as illustrated in the table below:
|  | Post tax (loss)/profit impact |
|  | 2025 |  |  | 2024 |  |  | 2023 |
|  | US$(000's) |  |  | US$(000's) |  |  | US$(000's) |
Judgments of reasonably possible movements |  |  |  |  |  |  |  |  |
Consolidated |  |  |  |  |  |  |  |  |
AUD/USD +10% (2024:+10%, 2023:+10%) |  |  | (299 | ) |  |  | (9,006 | ) |  |  | (3,847 | )
AUD/USD -10% (2024:-10%, 2023:-10%) |  |  | 365 |  |  |  | 11,007 |  |  |  | 4,702 |
Summary of Exposure to Foreign Currency Risk | At the reporting date, the Group has the following exposure to foreign currencies. :
|  | Consolidated |
|  | AUD |  |  | EURO |  |  | GBP |  |  | CAD |
2025 |  | US$(000's) |  |  | US$(000's) |  |  | US$(000's) |  |  | US$(000's) |
Financial assets |  |  |  |  |  |  |  |  |  |  |  |
Cash |  |  | 7,581 |  |  |  | — |  |  |  | — |  |  |  | — |
Receivables |  |  | 26 |  |  |  | — |  |  |  | — |  |  |  | — |
Financial liabilities |  |  |  |  |  |  |  |  |  |  |  |
Payables |  |  | (3,225 | ) |  |  | — |  |  |  | (6 | ) |  |  | (5 | )
Other financial liabilities |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Net exposure |  |  | 4,382 |  |  |  | — |  |  |  | (6 | ) |  |  | (5 | )
|  | Consolidated |
|  | AUD |  |  | EURO |  |  | GBP |  |  | CAD |
2024 |  | US$(000's) |  |  | US$(000's) |  |  | US$(000's) |  |  | US$(000's) |
Financial assets |  |  |  |  |  |  |  |  |  |  |  |
Cash |  |  | 131,914 |  |  |  | — |  |  |  | — |  |  |  | — |
Receivables |  |  | 486 |  |  |  | — |  |  |  | — |  |  |  | — |
Financial liabilities |  |  |  |  |  |  |  |  |  |  |  |
Payables |  |  | (2,350 | ) |  |  | (488 | ) |  |  | (3 | ) |  |  | (13 | )
Other financial liabilities |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Net exposure |  |  | 130,050 |  |  |  | (488 | ) |  |  | (3 | ) |  |  | (13 | )
Liquidity Risk |
Disclosure Of Risk Management Strategy Related To Hedge Accounting [Line Items] |
Summary of Undiscounted Cash Flows of the Financial Liabilities | The table below reflects undiscounted cash flows of the financial liabilities.
|  | Consolidated |  |  |  |
|  | Carrying amount |  |  | Less than 3 months |  |  | Between 3 months and 1 year |  |  | 1 year and later |  |  | Total |
|  | US$(000's) |  |  | US$(000's) |  |  | US$(000's) |  |  | US$(000's) |  |  | US$(000's) |
June 30, 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-derivative liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payables |  |  | 2,917 |  |  |  | 2,917 |  |  |  | - |  |  |  | - |  |  |  | 2,917 |
Accrued expenses |  |  | 6,819 |  |  |  | 6,819 |  |  |  | - |  |  |  | - |  |  |  | 6,819 |
Financial liability - DFA 1 |  |  | 246,993 |  |  |  | - |  |  |  | 246,993 |  |  |  | - |  |  |  | 246,993 |
Total |  |  | 256,729 |  |  |  | 9,736 |  |  |  | 246,993 |  |  |  | - |  |  |  | 256,729 |
|  | Consolidated |  |  |  |
|  | Carrying amount |  |  | Less than 3 months |  |  | Between 3 months and 1 year |  |  | 1 year and later |  |  | Total |
|  | US$(000's) |  |  | US$(000's) |  |  | US$(000's) |  |  | US$(000's) |  |  | US$(000's) |
June 30, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-derivative liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payables |  |  | 9,472 |  |  |  | 9,472 |  |  |  | - |  |  |  | - |  |  |  | 9,472 |
Accrued expenses |  |  | 28,483 |  |  |  | 27,279 |  |  |  | 1,204 |  |  |  | - |  |  |  | 28,483 |
Financial liability - DFA |  |  | 200,536 |  |  |  | - |  |  |  | - |  |  |  | 731,000 |  |  |  | 731,000 |
Total |  |  | 238,491 |  |  |  | 36,751 |  |  |  | 1,204 |  |  |  | 731,000 |  |  |  | 768,955 |
1. Following the termination of the clinical trials, the Group did not have a right to defer settlement of the liability for at least twelve months after the reporting period and therefore the liability is reflected in the period between 3 months and 1 year. Refer to Note 27.

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