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Note 5 - Exploration and Evaluation Assets - Change in Exploration and Evaluation Assets (Details) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Nov. 30, 2024 | Nov. 30, 2023
Statement Line Items [Line Items] |  |
Balance at the beginning of year | $ 56,815 | $ 56,788
Mineral rights and property acquired | 99 | 0
Mineral property option payment | 306 | 501
Impairment of exploration and evaluation assets | (74) | (1,809)
Exploration and evaluation assets before reclamation estiamte and currency adjustment | 57,146 | 55,480
Change in reclamation estimate | 80 | 53
Foreign currency translation adjustments | (679) | 1,282
Balance at the end of year | $ 56,547 | $ 56,815

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 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
- 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_Statement1LineItems
Namespace Prefix: | gldg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration