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Note 6 - Exploration and Evaluation Assets - Change in Exploration and Evaluation Assets (Details) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Nov. 30, 2022 | Nov. 30, 2021
Statement Line Items [Line Items] |  |
Balance at the beginning of year | $ 54,475 | $ 55,885
Mineral rights and property acquired | 134 | 0
Mineral property option payment | 0 | 49
Mineral property option grant | (1,152) | 0
Exploration and evaluation assets before reclamation estiamte and currency adjustment | 53,457 | 55,934
Change in reclamation estimate | (57) | 28
Foreign currency translation adjustments | 3,388 | (1,487)
Balance at the end of year | $ 56,788 | $ 54,475

X
- Definition The increase (decrease) to exploration and evaluation assets result from change in reclamation estimate. + References No definition available. + Details
Name: | gldg_ChangeInReclamationEstimate
Namespace Prefix: | gldg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of intangible and tangible exploration and evaluation assets. + References No definition available. + Details
Name: | gldg_ExplorationAndEvaluationAssets
Namespace Prefix: | gldg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of exploration and evaluation assets before reclamation estimate and currency adjustment. + References No definition available. + Details
Name: | gldg_ExplorationAndEvaluationAssetsBeforeReclamationEstiamteAndCurrencyAdjustment
Namespace Prefix: | gldg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The increase (decrease) to exploration and evaluation assets from foreign currency translation adjustment. + References No definition available. + Details
Name: | gldg_ExplorationAndEvaluationAssetsForeignCurrencyTranslationAdjustments
Namespace Prefix: | gldg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Mineral property option granted + References No definition available. + Details
Name: | gldg_MineralPropertyOptionGranted
Namespace Prefix: | gldg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of mineral property option payment. + References No definition available. + Details
Name: | gldg_MineralPropertyOptionPayment
Namespace Prefix: | gldg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of mineral rights and property acquired during period. + References No definition available. + Details
Name: | gldg_MineralRightsAndPropertyAcquired
Namespace Prefix: | gldg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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