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DISPOSITION OF PPL (Details Narrative) - Portage Glasgow Ltd. [Member]	Mar. 03, 2021 USD ($)
Entity Listings [Line Items]
Disposition Percentage	100.00%
Disposition value	$ 10
Intercompany receivable	$ 229,848

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

+ Details

Name:	dei_EntityListingsLineItems
Namespace Prefix:	dei_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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- References

No definition available.

+ Details

Name:	ptgef_DispositionPercentage
Namespace Prefix:	ptgef_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

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No definition available.

+ Details

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Namespace Prefix:	ptgef_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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- References

No definition available.

+ Details

Name:	ptgef_IntercompanyReceivable
Namespace Prefix:	ptgef_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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- Details

Name:	dei_LegalEntityAxis=ptgef_PortageGlasgowLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: