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Note 11 - Non-controlling Interests - Warrant Activity of U.S. Goldmining (Details) - U.S. GoldMining Inc. [member] - $ / shares | 12 Months Ended
--- | ---
Nov. 30, 2024 | Nov. 30, 2023
Statement Line Items [Line Items] |  |
Balance, warrant (in shares) | 1,741,292 | 0
Balance, weighted average exercise of warrant (in dollars per share) | $ 13 | $ 0
Common stock purchase warrants issued at the IPO (in shares) |  | 2,000,000
Common stock purchase warrants issued at the IPO (in dollars per share) |  | $ 13
Exercised, warrant (in shares) | (300) | (258,708)
Exercised, weighted average exercise of warrant (in dollars per share) | $ 13 | $ 13
Balance, warrant (in shares) | 1,740,992 | 1,741,292
Balance, weighted average exercise of warrant (in dollars per share) | $ 13 | $ 13

X
- Definition The number of warrants exercised during period. + References No definition available. + Details
Name: | gldg_NumberOfWarrantsExercised
Namespace Prefix: | gldg_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of warrants issued. + References No definition available. + Details
Name: | gldg_NumberOfWarrantsIssued
Namespace Prefix: | gldg_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of warrants are outstanding. + References No definition available. + Details
Name: | gldg_NumberOfWarrantsOutstanding
Namespace Prefix: | gldg_
Data Type: | xbrli:sharesItemType
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
- Definition The weighted average exercise price of warrants exercised during period. + References No definition available. + Details
Name: | gldg_WeightedAverageExercisePriceOfWarrantsExercised
Namespace Prefix: | gldg_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the Weighted average exercise price of warrants granted in the period. + References No definition available. + Details
Name: | gldg_WeightedAverageExercisePriceOfWarrantsIssued
Namespace Prefix: | gldg_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average exercise price of warrants outstanding. + References No definition available. + Details
Name: | gldg_WeightedAverageExercisePriceOfWarrantsOutstanding
Namespace Prefix: | gldg_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

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