XML 130 R119.htm IDEA: XBRL DOCUMENT
v3.23.3

Key Management Personnel Disclosures - Summary of Number of Performance Rights Over Ordinary Shares in Parent Entity (Detail) - Performance rights [member] | 12 Months Ended
--- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2021
Disclosure of key management personnel compensation [line items] |  |  |  |  |
Balance at end of the end fiscal year Number |  | 13,339,621 | 8,500,000 |  | 10,800,291
Granted |  | 1,624,499 | 8,439,621 |  | 1,350,000
Exercised |  | (4,606,173) | (2,700,000) |  | (3,650,291)
Other changes |  | (364,866) | (900,000) |  | 0
Balance at end of the end fiscal year Number |  | 9,993,081 | 13,339,621 |  | 8,500,000
Vested and exercisable |  | 0 | 1,200,000 |  | 0
Unvested |  | 9,993,081 | 12,139,621 |  | 8,500,000
Dr Russell Howard [member] |  |  |  |  |
Disclosure of key management personnel compensation [line items] |  |  |  |  |
Balance at end of the end fiscal year Number |  | 339,621 | 250,000 |  | 500,000
Granted |  | 0 | 339,621 |  | 0
Exercised |  | (113,207) | (250,000) |  | (250,000)
Other changes |  | 0 | 0 |  | 0
Balance at end of the end fiscal year Number |  | 226,414 | 339,621 |  | 250,000
Vested and exercisable |  | 0 | 0 |  | 0
Unvested |  | 226,414 | 339,621 |  | 250,000
Mr Pete Meyers [member] |  |  |  |  |
Disclosure of key management personnel compensation [line items] |  |  |  |  |
Balance at end of the end fiscal year Number |  | 1,000,000 | 1,500,000 |  | 1,773,637
Granted |  | 1,166,667 | 0 |  | 0
Exercised |  | (500,000) | (500,000) |  | (273,637)
Other changes |  | 0 | 0 |  | 0
Balance at end of the end fiscal year Number |  | 1,666,667 | 1,000,000 |  | 1,500,000
Vested and exercisable |  | 0 | 0 |  | 0
Unvested |  | 1,666,667 | 1,000,000 |  | 1,500,000
Mr Marc Voigt [member] |  |  |  |  |
Disclosure of key management personnel compensation [line items] |  |  |  |  |
Balance at end of the end fiscal year Number |  | 6,000,000 | 2,400,000 |  | 3,600,000
Granted |  | 0 | 3,600,000 |  | 0
Exercised |  | (2,400,000) | 0 |  | (1,200,000)
Other changes |  | 0 | 0 |  | 0
Balance at end of the end fiscal year Number |  | 3,600,000 | 6,000,000 |  | 2,400,000
Vested and exercisable |  | 0 | 1,200,000 |  | 0
Unvested |  | 3,600,000 | 4,800,000 |  | 2,400,000
Mr Grant Chamberlain [member] |  |  |  |  |
Disclosure of key management personnel compensation [line items] |  |  |  |  |
Balance at end of the end fiscal year Number |  | 0 | 1,350,000 |  | 426,654
Granted |  |  | 0 |  | 1,350,000
Exercised |  |  | (450,000) |  | (426,654)
Other changes |  |  | (900,000) | [1] | 0
Balance at end of the end fiscal year Number |  |  | 0 |  | 1,350,000
Vested and exercisable |  |  | 0 |  | 0
Unvested |  |  | 0 |  | 1,350,000
Ms Deanne Miller [member] |  |  |  |  |
Disclosure of key management personnel compensation [line items] |  |  |  |  |
Balance at end of the end fiscal year Number |  | 2,400,000 | 1,200,000 |  | 1,800,000
Granted |  | 0 | 1,800,000 |  | 0
Exercised |  | (600,000) | (600,000) |  | (600,000)
Other changes |  | 0 | 0 |  | 0
Balance at end of the end fiscal year Number |  | 1,800,000 | 2,400,000 |  | 1,200,000
Vested and exercisable |  | 0 | 0 |  | 0
Unvested |  | 1,800,000 | 2,400,000 |  | 1,200,000
Dr Frederic Triebel [member] |  |  |  |  |
Disclosure of key management personnel compensation [line items] |  |  |  |  |
Balance at end of the end fiscal year Number |  | 3,600,000 | 1,800,000 |  | 2,700,000
Granted |  | 0 | 2,700,000 |  | 0
Exercised |  | (900,000) | (900,000) |  | (900,000)
Other changes |  | 0 | 0 |  | 0
Balance at end of the end fiscal year Number |  | 2,700,000 | 3,600,000 |  | 1,800,000
Vested and exercisable |  | 0 | 0 |  | 0
Unvested |  | 2,700,000 | 3,600,000 |  | 1,800,000
Ms Lucy Turnbull A O [member] |  |  |  |  |
Disclosure of key management personnel compensation [line items] |  |  |  |  |
Balance at end of the end fiscal year Number |  | 0 |  |  |
Granted |  | 457,832 |  |  |
Exercised |  | (92,966) |  |  |
Other changes | [1] | (364,866) |  |  |
Balance at end of the end fiscal year Number |  | 0 | 0 |  |
Vested and exercisable |  | 0 |  |  |
Unvested |  | 0 |  |  |
Ms Lis Boyce [Member] |  |  |  |  |
Disclosure of key management personnel compensation [line items] |  |  |  |  |
Balance at end of the end fiscal year Number |  | 0 |  |  |
Granted |  | 0 |  |  |
Exercised |  | 0 |  |  |
Other changes |  | 0 |  |  |
Balance at end of the end fiscal year Number |  | 0 | 0 |  |
Vested and exercisable |  | 0 |  |  |
Unvested |  | 0 |  |  |
[1] | The change during the year represents derecognition due to the cessation of the director’s position.

X
- Definition The number of other equity instruments (ie other than share options) granted in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 2 -IssueDate 2023-01-01 -Paragraph 45 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_45&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2023-01-01 -Paragraph 47 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_47_b&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of other equity instruments (ie other than share options) exercised or vested in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 2 -IssueDate 2023-01-01 -Paragraph 45 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_45&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of other equity instruments (ie other than share options) outstanding in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 2 -IssueDate 2023-01-01 -Paragraph 45 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_45&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Disclosure of key management personnel compensation line items. + References No definition available. + Details
Name: | immp_DisclosureOfKeyManagementPersonnelCompensationLineItems
Namespace Prefix: | immp_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of other equity instruments other changes in share based payment arrangement. + References No definition available. + Details
Name: | immp_NumberOfOtherEquityInstrumentsOtherChangesInShareBasedPaymentArrangement
Namespace Prefix: | immp_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of other equity instruments unvested in share based payment arrangement. + References No definition available. + Details
Name: | immp_NumberOfOtherEquityInstrumentsUnvestedInShareBasedPaymentArrangement
Namespace Prefix: | immp_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of share options or other equity instruments vested and exercisable in share based payment arrangement. + References No definition available. + Details
Name: | immp_NumberOfShareOptionsOrOtherEquityInstrumentsVestedAndExercisableInShareBasedPaymentArrangement
Namespace Prefix: | immp_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | ifrs-full_ClassesOfShareCapitalAxis=immp_PerformanceRightsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=immp_DrRussellHowardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=immp_MrPeteMeyersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=immp_MrMarcVoigtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=immp_MrGrantChamberlainMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=immp_MsDeanneMillerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=immp_DrFredericTriebelMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=immp_MsLucyTurnbullAOMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=immp_MsLisBoyceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |