XML 90 R80.htm IDEA: XBRL DOCUMENT
v3.25.3

Contingent consideration - Additional Information (Detail) | 12 Months Ended
--- | ---
Jun. 30, 2025 USD ($) | Jun. 30, 2025 AUD ($) | Jun. 30, 2025 EUR (€) | Jun. 30, 2024 AUD ($) | Jun. 30, 2024 EUR (€)
Contingent consideration - EVT801 [Member] |  |  |  |  |
Disclosure of contingent liabilities [line items] |  |  |  |  |
Milestone payments not booked |  | $ 547,798,067 | € 306,000,000 | $ 496,287,928 | € 300,500,000
Contingent consideration - Paxalisib [Member] |  |  |  |  |
Disclosure of contingent liabilities [line items] |  |  |  |  |
Milestone payments not booked | $ 1,000,000 | $ 2,776,718 |  | $ 0 |

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfContingentLiabilitiesLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Milestone payments not booked. + References No definition available. + Details
Name: | kzia_MilestonePaymentsNotBooked
Namespace Prefix: | kzia_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ifrs-full_ClassesOfContingentLiabilitiesAxis=kzia_ContingentConsiderationEvt801Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfContingentLiabilitiesAxis=kzia_ContingentConsiderationPaxalisibMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |