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FINANCIAL INSTRUMENTS AND RISK MANAGEMENT (Details 1) - USD ($) $ in Thousands | Mar. 31, 2026 | Mar. 31, 2025
--- | --- | ---
IfrsStatementLineItems [Line Items] |  |
TON payable to settle put rights exercised | $ 1,425 |
Put right liability | 7,105 |
Level 1 [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Digital assets at fair value, TON liquid | 126 |
Digital assets at fair value, TON locked |  |
TON payable to settle put rights exercised |  |
Put right liability |  |
Warrant liability |  |
Level 2 [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Digital assets at fair value, TON liquid |  |
Digital assets at fair value, TON locked |  |
TON payable to settle put rights exercised |  |
Put right liability |  |
Warrant liability |  |
Level 3 [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Digital assets at fair value, TON liquid |  |
Digital assets at fair value, TON locked | 2,366 |
TON payable to settle put rights exercised | 1,425 |
Put right liability | 7,105 |
Warrant liability | $ 192 | $ 1,952

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- Definition The amount of warrant 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_WarrantLiability
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
Name: | ptgef_DigitalAssetsAtFairValueTonLiquid
Namespace Prefix: | ptgef_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
Name: | ptgef_DigitalAssetsAtFairValueTonLocked
Namespace Prefix: | ptgef_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
Name: | ptgef_IfrsStatementLineItems
Namespace Prefix: | ptgef_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | ptgef_PutRightLiability
Namespace Prefix: | ptgef_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
Name: | ptgef_TonPayableToSettlePutRightsExercised
Namespace Prefix: | ptgef_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_ImpairmentOfFinancialAssetsAxis=ptgef_Level2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_ImpairmentOfFinancialAssetsAxis=ptgef_Level3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |