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DIGITAL ASSETS (Details) - USD ($) $ in Thousands | Mar. 31, 2026 | Mar. 31, 2025
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Digital Assets |  |
Approximate number of TON Tokens held | $ 2,379,165 |
TON Tokens, fair value (in thousands) | 2,492 |
Digital assets, fair value (in thousands) | $ 2,492 |

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

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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: | instant

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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: | debit
Period Type: | instant