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Note 13 - Financial Instruments - Currency Risk (Details) - CAD ($) $ in Thousands | Nov. 30, 2022 | Nov. 30, 2021
--- | --- | ---
Statement Line Items [Line Items] |  |
Foreign currency denominated monetary assets | $ 80,489 | $ 138,893
Currency risk, denominated in USD [member] |  |
Statement Line Items [Line Items] |  |
Foreign currency denominated monetary assets | 80,053 | 138,692
Currency risk, denominated in BRL [member] |  |
Statement Line Items [Line Items] |  |
Foreign currency denominated monetary assets | 44 | 18
Currency risk, denominated in COP [member] |  |
Statement Line Items [Line Items] |  |
Foreign currency denominated monetary assets | $ 392 | $ 183

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- Definition The amount of foreign currency denominated monetary assets. + References No definition available. + Details
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Namespace Prefix: | gldg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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Namespace Prefix: | gldg_
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: |

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

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- Details
Name: | ifrs-full_TypesOfRisksAxis=gldg_CurrencyRiskDenominatedInCopMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |