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Note 1 - Corporate Information (Details Textual) - U.S. GoldMining Inc. [member] | Nov. 30, 2023 shares
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Statement Line Items [Line Items] |
Number of shares held by parent in subsidiary (in shares) | 9,622,491
Number of warrants held by parent in subsidiary (in shares) | 122,490
Percentage of outstanding shares held by parent in subsidiary | 79.30%

X
- Definition The number of shares of subsidiary held by parent. + References No definition available. + Details
Name: | gldg_NumberOfSharesHeldByParentInSubsidiary
Namespace Prefix: | gldg_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of warrants of subsidiary held by parent. + References No definition available. + Details
Name: | gldg_NumberOfWarrantsHeldByParentInSubsidiary
Namespace Prefix: | gldg_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the Percentage of subsidiary outstanding shares held by parent. + References No definition available. + Details
Name: | gldg_PercentageOfOutstandingSharesHeldByParentInSubsidiary
Namespace Prefix: | gldg_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | gldg_Statement1LineItems
Namespace Prefix: | gldg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_SegmentsAxis=gldg_UsGoldminingIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |