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v3.26.1

STABLECOIN (Details) - USD ($) $ in Thousands | Mar. 31, 2026 | Mar. 31, 2025
--- | --- | ---
IfrsStatementLineItems [Line Items] |  |
stablecoins |  | $ 21
U S D C [Member] |  |
IfrsStatementLineItems [Line Items] |  |
stablecoins |  |
Usdt [Member] |  |
IfrsStatementLineItems [Line Items] |  |
stablecoins |  | $ 21

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

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

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

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=ptgef_UsdtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |