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EVENT AFTER THE BALANCE SHEET DATE (Details Narrative) - USD ($) $ in Thousands | 1 Months Ended | 9 Months Ended
--- | --- | ---
Feb. 28, 2023 | Jan. 31, 2023 | Dec. 31, 2022
IfrsStatementLineItems [Line Items] |  |  |
Number of shares sold |  |  | 2,425,999
Forecast [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Number of shares sold | 270,000 | 63,279 |
Net proceeds from sale | $ 1,300 | $ 300 |

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- Definition The cash inflow from sales of biological assets. [Refer: Biological assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2022-03-24 -Paragraph 16 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_16&doctype=Standard -URIDate 2022-03-24 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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

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