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STOCK OPTION RESERVE (Details 2) - $ / shares | 6 Months Ended
--- | ---
Sep. 30, 2024 | Sep. 30, 2023
IfrsStatementLineItems [Line Items] |  |
Weighted average remaining contractual life (in years) | 1 year 6 months |
PBI 2021 Equity Incentive Plan [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Weighted average exercise price | $ 205.18 | $ 210.60
Weighted average remaining contractual life (in years) | 7 years 4 months 20 days | 8 years 4 months 9 days

X
- Definition The weighted average exercise price of share options exercised in a share-based payment arrangement. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2023-01-01 -Paragraph 45 -Subparagraph b -Clause iv -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_45_b_iv&doctype=Standard -URIDate 2023-03-23 + Details
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Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average remaining contractual life of outstanding share options. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2023-01-01 -Paragraph 45 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_45_d&doctype=Standard -URIDate 2023-03-23 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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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

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