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Intangibles - Summary of non-current assets - intangibles (Detail) - AUD ($) $ in Thousands | Jun. 30, 2025 | Jan. 01, 2025 | Jun. 30, 2024 | Jun. 30, 2023
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Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets other than goodwill | $ 1,087 | $ 0 | $ 15,400 | $ 17,269
GDC licensing agreement [member] |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets other than goodwill | 1,087 |  | 8,073 |
GDC licensing agreement [member] | Gross carrying amount [member] |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets other than goodwill | 1,087 |  | 16,408 |
GDC licensing agreement [member] | Accumulated amortisation [member] |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets other than goodwill | 0 |  | (8,335) |
Licensing Agreement [Member] |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets other than goodwill | 0 |  | 7,327 |
Licensing Agreement [Member] | Gross carrying amount [member] |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets other than goodwill | 0 |  | 9,813 |
Licensing Agreement [Member] | Accumulated amortisation [member] |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets other than goodwill | $ 0 |  | $ (2,486) |

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- Definition The amount of identifiable non-monetary assets without physical substance. This amount does not include goodwill. [Refer: Goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2025-01-01 -Paragraph 118 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2025-en-r&anchor=para_118_e&doctype=Standard -URIDate 2025-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 263 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_263_e&doctype=Standard -URIDate 2025-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 263 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_263_e&doctype=Standard -URIDate 2025-03-27 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2027-01-01 -Name IAS -Number 1 -IssueDate 2025-01-01 -Paragraph 54 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_c&doctype=Standard -URIDate 2025-03-27 + Details
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