XML 71 R61.htm IDEA: XBRL DOCUMENT
v3.25.3

Material accounting policies - Additional Information (Detail) $ in Thousands |  |  |  |  |  | 4 Months Ended | 12 Months Ended |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
May 12, 2025 AUD ($) | Apr. 01, 2025 | Jan. 14, 2025 USD ($) | Oct. 28, 2024 | Sep. 04, 2024 USD ($) | Oct. 31, 2025 USD ($) | Jun. 30, 2025 AUD ($) | Jun. 30, 2025 USD ($) | Jun. 30, 2024 AUD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2023 AUD ($) | Jul. 25, 2025 | Jun. 30, 2025 USD ($) | Jan. 01, 2025 AUD ($) | Jul. 11, 2024 | Jun. 30, 2022 AUD ($) | May 01, 2022 | Apr. 22, 2022 USD ($)
Disclosure of summary of significant accounting policies [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated loss after income tax |  |  |  |  |  |  | $ 20,702 |  | $ 26,778 |  | $ 20,465 |  |  |  |  |  |  |
Net current liability position |  |  |  |  |  |  | 9,100 |  |  |  |  |  |  |  |  |  |  |
Net cash outflows from operating activities |  |  |  |  |  |  | 13,300 |  |  |  |  |  |  |  |  |  |  |
Consolidated cash in hand and at bank |  |  |  |  |  |  | 4,345 |  | 1,657 |  | 5,241 |  |  |  |  | $ 7,361 |  |
Aggregate offering |  |  |  |  |  |  |  |  |  |  |  |  | $ 35,000,000 |  |  |  |  |
Number of shares represented by one depositary receipt |  |  | 100 |  |  |  |  |  |  |  |  |  |  |  | 11,000,000 |  | 500 |
Proceeds from the issuance of common stock |  |  | $ 1,860,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuing shares |  |  |  |  |  |  | 11,770 |  | 2,914 |  | 12,972 |  |  |  |  |  |  |
Increase of aggregate offering price |  |  |  |  | $ 50,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum threshold limit of market value | $ 35,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Description of transactions after reporting period that significantly change number of ordinary shares outstanding |  | On 1 April 2025, the Company changed its ratio of its ADSs to ordinary shares from one ADS representing 100 ordinary shares to one ADS representing 500 ordinary shares. |  | On 28 October 2024, the Company changed its ratio of ADSs ordinary shares from one ADS representing 10 ordinary shares to one ADS representing 100 ordinary shares. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets other than goodwill |  |  |  |  |  |  | $ 1,087 |  | $ 15,400 |  | $ 17,269 |  |  | $ 0 |  |  |  |
Amount of refundable tax offset |  |  |  |  |  |  |  |  |  |  |  |  | $ 20,000,000 |  |  |  |  |
Private Placement of Equity Securities [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of summary of significant accounting policies [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from the issuance of common stock |  |  |  |  |  | $ 2,049,992,000 |  |  |  |  |  |  |  |  |  |  |  |
At The Market Equity Program [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of summary of significant accounting policies [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate offering |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 35,000,000
Proceeds from the issuance of common stock |  |  |  |  |  | $ 1,441,826,000 |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuing shares |  |  |  |  |  |  |  | $ 4,556,252,000 |  | $ 1,656,016,000 |  |  |  |  |  |  |  |
Remaining capacity of ATM facility |  |  |  |  |  |  |  | $ 36,630,000 |  |  |  |  |  |  |  |  |  |
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 |  |  |  |  |  |  |  |  |  |  |  | 500 |  |  |  |  |  | 500
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 |  |  |  |  |  |  |  |  |  |

X
- Definition The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2025-01-01 -Paragraph 45 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_45&doctype=Standard -URIDate 2025-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2025-01-01 -Paragraph B13 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B13_a&doctype=Appendix&subtype=B -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 169 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_169&doctype=Standard -URIDate 2025-03-27 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 169 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_169&doctype=Standard -URIDate 2025-03-27 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2027-01-01 -Name IAS -Number 1 -IssueDate 2025-01-01 -Paragraph 54 -Subparagraph i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_i&doctype=Standard -URIDate 2025-03-27 + Details
Name: | ifrs-full_CashAndCashEquivalents
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of current assets less the amount of current liabilities. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2027-01-01 -Name IAS -Number 1 -IssueDate 2025-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_55&doctype=Standard -URIDate 2025-03-27 + Details
Name: | ifrs-full_CurrentAssetsLiabilities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The description of transactions after the reporting period, other than those accounted for in accordance with paragraph 64 of IAS 33, that would have significantly changed the number of ordinary shares outstanding at the end of the period if those transactions had occurred before the end of the reporting period. [Refer: Ordinary shares [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 33 -IssueDate 2025-01-01 -Paragraph 70 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2025-en-r&anchor=para_70_d&doctype=Standard -URIDate 2025-03-27 + Details
Name: | ifrs-full_DescriptionOfTransactionsAfterReportingPeriodWithSignificantChangeInNumberOfOrdinarySharesOutstanding
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | ifrs-full_IntangibleAssetsOtherThanGoodwill
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The number of shares represented by one depositary receipt. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2027-01-01 -Name IAS -Number 1 -IssueDate 2025-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_112_c&doctype=Standard -URIDate 2025-03-27 + Details
Name: | ifrs-full_NumberOfSharesRepresentedByOneDepositaryReceipt
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition The cash inflow from the issuing of ordinary shares. [Refer: Ordinary shares [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2025-01-01 -Paragraph 17 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_17&doctype=Standard -URIDate 2025-03-27 + Details
Name: | ifrs-full_ProceedsFromIssueOfOrdinaryShares
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow from issuing shares. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2025-01-01 -Paragraph 17 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_17_a&doctype=Standard -URIDate 2025-03-27 + Details
Name: | ifrs-full_ProceedsFromIssuingShares
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The total of income less expenses from continuing and discontinued operations, excluding the components of other comprehensive income. [Refer: Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 1 -IssueDate 2025-01-01 -Paragraph 32 -Subparagraph a -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2025-en-r&anchor=para_32_a_ii&doctype=Standard -URIDate 2025-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 1 -IssueDate 2025-01-01 -Paragraph 24 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2025-en-r&anchor=para_24_b&doctype=Standard -URIDate 2025-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2025-01-01 -Paragraph 28 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_28_b&doctype=Standard -URIDate 2025-03-27 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2025-01-01 -Paragraph 23 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_23&doctype=Standard -URIDate 2025-03-27 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 12 -IssueDate 2025-01-01 -Paragraph B10 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B10_b&doctype=Appendix&subtype=B -URIDate 2025-03-27 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 17 -IssueDate 2025-01-01 -Paragraph 113 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_113_b&doctype=Standard -URIDate 2025-03-27 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 28 -Subparagraph a -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_28_a_ii&doctype=Standard -URIDate 2025-03-27 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 24 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_24_b&doctype=Standard -URIDate 2025-03-27 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 24 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_24_b&doctype=Standard -URIDate 2025-03-27 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 28 -Subparagraph a -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_28_a_ii&doctype=Standard -URIDate 2025-03-27 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2027-01-01 -Name IAS -Number 1 -IssueDate 2025-01-01 -Paragraph 81A -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_81A_a&doctype=Standard -URIDate 2025-03-27 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2027-01-01 -Name IAS -Number 1 -IssueDate 2025-01-01 -Paragraph 106 -Subparagraph d -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_106_d_i&doctype=Standard -URIDate 2025-03-27 + Details
Name: | ifrs-full_ProfitLoss
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Aggregate offering. + References No definition available. + Details
Name: | kzia_AggregateOffering
Namespace Prefix: | kzia_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of refundable tax offset. + References No definition available. + Details
Name: | kzia_AmountOfRefundableTaxOffset
Namespace Prefix: | kzia_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Cash flows from (used in) operating activities, net. + References No definition available. + Details
Name: | kzia_CashFlowsFromUsedInOperatingActivitiesNet
Namespace Prefix: | kzia_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items representing the disclosure of summary of significant accounting policies. + References No definition available. + Details
Name: | kzia_DisclosureOfSummaryOfSignificantAccountingPoliciesLineItems
Namespace Prefix: | kzia_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Increase of aggregate offering price. + References No definition available. + Details
Name: | kzia_IncreaseOfAggregateOfferingPrice
Namespace Prefix: | kzia_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Intangible assets with indefinite remaining useful life. + References No definition available. + Details
Name: | kzia_IntangibleAssetsWithIndefiniteRemainingUsefulLife
Namespace Prefix: | kzia_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Minimum threshold limit of market value. + References No definition available. + Details
Name: | kzia_MinimumThresholdLimitOfMarketValue
Namespace Prefix: | kzia_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Remaining capacity of ATM facility. + References No definition available. + Details
Name: | kzia_RemainingCapacityOfATMFacility
Namespace Prefix: | kzia_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=kzia_PrivatePlacementofEquitySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CapitalRequirementsAxis=kzia_AtTheMarketEquityProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_UnderlyingEquityInstrumentAndDepositaryReceiptsAxis=kzia_AmericanDepositorySharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis=kzia_LicenseAgreementForPaxalisibMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis=kzia_LicensingAgreementForEvtEightZeroOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |