XML 147 R139.htm IDEA: XBRL DOCUMENT
v3.25.3

Share-Based Payments - Total Expenses Arising from Share-Based Payment Transactions (Detail) - AUD ($) | 12 Months Ended
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Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2023
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Employee share-based payment expense | $ 1,163,543 | $ 1,796,286 | $ 2,001,572
Share-based payment expense | $ 1,163,543 | $ 1,796,286 |

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- 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
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- 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_ExpenseFromSharebasedPaymentTransactionsWithEmployees
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Aggregate Expense from share-based payment transactions + References No definition available. + Details
Name: | immp_AggregateExpenseFromSharebasedPaymentTransactions
Namespace Prefix: | immp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration