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Note 17 - Commitments - Future Rental Payments (Details) $ in Thousands | Nov. 30, 2022 CAD ($)
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Statement Line Items [Line Items] |  |
Future rental payments | $ 100 | [1]
Not later than one year [member] |  |
Statement Line Items [Line Items] |  |
Future rental payments | 97 |
Later than one year and not later than three years [member] |  |
Statement Line Items [Line Items] |  |
Future rental payments | 3 |
Later than three years and not later than five years [member] |  |
Statement Line Items [Line Items] |  |
Future rental payments | 0 |
Later than five years [member] |  |
Statement Line Items [Line Items] |  |
Future rental payments | $ 0 |
[1] | Includes $21 related to low value assets and $79 related to short-term leases on the date of initial application.

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- References No definition available. + Details
Name: | gldg_StatementLineItems
Namespace Prefix: | gldg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of undiscounted operating lease payments to be made. Operating lease is a lease that does not transfer substantially all the risks and rewards incidental to ownership of an underlying asset. + References No definition available. + Details
Name: | gldg_UndiscountedOperatingLeasePaymentsToBeMade
Namespace Prefix: | gldg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanThreeYearsAndNotLaterThanFiveYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanFiveYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |