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Note 6 - Long-term Investments - Weighted Average Assumptions of NevGold Warrants (Details) - NevGold warrants [member] | 12 Months Ended
--- | ---
Nov. 30, 2023 | Nov. 30, 2022
Statement Line Items [Line Items] |  |
Risk-free interest rate | 4.20% | 0.00%
Expected life (years) (Year) | 1 year 7 days |
Expected volatility | 58.28% | 0.00%
Estimated dividend yield | 0.00% | 0.00%

X
- Definition The expected volatility of the share price used to calculate the fair value of the share warrants granted. Expected volatility is a measure of the amount by which a price is expected to fluctuate during a period. The measure of volatility used in warrant pricing models is the annualised standard deviation of the continuously compounded rates of return on the share over a period of time. + References No definition available. + Details
Name: | gldg_DescriptionOfExpectedVolatilityWarrantsGranted
Namespace Prefix: | gldg_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The implied yield currently available on zero-coupon government issues of the country in whose currency the exercise price for share warrants granted is expressed, with a remaining term equal to the expected term of the warrant being valued (based on the warrant's remaining contractual life and taking into account the effects of expected early exercise). [Refer: Government [member]] + References No definition available. + Details
Name: | gldg_DescriptionOfRiskFreeInterestRateWarrantsGranted
Namespace Prefix: | gldg_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The warrant life of share warrants granted. + References No definition available. + Details
Name: | gldg_DescriptionOfWarrantLifeWarrantsGranted
Namespace Prefix: | gldg_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage of an expected dividend used to calculate the fair value of share warrants granted. + References No definition available. + Details
Name: | gldg_ExpectedDividendAsPercentageWarrantsGranted
Namespace Prefix: | gldg_
Data Type: | dtr-types:percentItemType
Balance Type: | na
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_ClassesOfEntitysOwnEquityInstrumentsAxis=gldg_NevgoldWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |