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Note 3 - Summary of Significant Accounting Policies (Details Textual) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Nov. 30, 2023 | Nov. 30, 2022
Statement Line Items [Line Items] |  |
Impairment of exploration and evaluation assets | $ 1,809 | $ 0
Surubim project [member] |  |
Statement Line Items [Line Items] |  |
Impairment of exploration and evaluation assets | $ 0 |

X
- Definition In reference to the impairment of exploration and evaluation assets. + References No definition available. + Details
Name: | gldg_ImpairmentOfExplorationAndEvaluationAssets
Namespace Prefix: | gldg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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_ClassesOfAssetsAxis=gldg_SurubimProjectMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |