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PUT RIGHT LIABILITY AND TON PAYABLE (Details 2) - USD ($) $ in Thousands | 12 Months Ended
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Mar. 31, 2026 | Mar. 31, 2025 | Mar. 31, 2024
Put Right Liability And Ton Payable |  |  |
Balance as of April 1 |  |  |
Exercise of side letter put right | 2,920 |  |
Change in fair value of TON payable to settle put rights exercised | (51) |  |
Gain on settlement of TON payable | (336) |  |
Settlement of put right liability using digital assets | (1,108) |  |
TON payable as of March 31 | $ 1,425 |  |

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