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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
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The increase (decrease) in equity resulting from the exercise of warrants.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 106
-Subparagraph d
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_106_d&doctype=Standard
-URIDate 2025-03-27

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Data Type:	xbrli:monetaryItemType
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Amount of performance rights exercised.

No definition available.

Name:	immp_AmountOfPerformanceRightsExercised
Namespace Prefix:	immp_
Data Type:	xbrli:monetaryItemType
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Period Type:	duration

COnversion of convertible notes hares issued during the period.

No definition available.

Name:	immp_ConversionOfConvertibleNotesSharesIssuedDuringThePeriod
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Data Type:	xbrli:sharesItemType
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Period Type:	duration

Conversion of convertible notes shares issued during the period value.

No definition available.

Name:	immp_ConversionOfConvertibleNotesSharesIssuedDuringThePeriodValue
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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

Issue price per share, convertible notes conversion.

No definition available.

Name:	immp_IssuePricePerShareConvertibleNotesConversion
Namespace Prefix:	immp_
Data Type:	dtr-types:perShareItemType
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Issue price per share, warrants conversion.

No definition available.

Name:	immp_IssuePricePerShareWarrantsConversion
Namespace Prefix:	immp_
Data Type:	dtr-types:perShareItemType
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Issued capital.

No definition available.

Name:	immp_IssuedCapitalInTotal
Namespace Prefix:	immp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Number of performance rights exercised.

No definition available.

Name:	immp_NumberOfPerformanceRightsExercised
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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Number of shares issued.

No definition available.

Name:	immp_NumberOfSharesIssuedInTotal
Namespace Prefix:	immp_
Data Type:	xbrli:sharesItemType
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Period Type:	duration

Performance rights exercised price per share.

No definition available.

Name:	immp_PerformanceRightsExercisedPricePerShare
Namespace Prefix:	immp_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

Shares issued upon conversion of warrants.

No definition available.

Name:	immp_SharesIssuedUponConversionOfWarrants
Namespace Prefix:	immp_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	immp_SharesIssuedOrPurchasedByTypeAxis=immp_ZeroPointThreeFourIssuePriceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	immp_SharesIssuedOrPurchasedByTypeAxis=immp_ZeroPointThreeOneIssuePriceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	immp_SharesIssuedOrPurchasedByTypeAxis=immp_ZeroPointOneFiveIssuePriceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: