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Note 10 - Margin Loan Payable (Details Textual) $ in Thousands |  |  |  | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Aug. 29, 2023 CAD ($) | Aug. 29, 2023 USD ($) | Jul. 28, 2023 CAD ($) | Jul. 28, 2023 USD ($) | Jun. 01, 2023 CAD ($) | Jun. 01, 2023 USD ($) | May 31, 2023 CAD ($) | May 31, 2023 USD ($) | Feb. 28, 2023 CAD ($) | Feb. 28, 2023 USD ($) | Nov. 30, 2023 CAD ($) shares | Nov. 30, 2023 USD ($) | Nov. 30, 2022 CAD ($) | Nov. 30, 2022 USD ($) | Nov. 30, 2022 USD ($) | Oct. 27, 2022 CAD ($) shares | Oct. 27, 2022 USD ($) shares
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, advance outstanding | $ |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |
Margin loan facility [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, maximum borrowing limit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 13,400 | $ 10,000,000
Borrowings, standby fee, percent |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.00% | 3.00%
Borrowings, securities pledged as collateral, shares (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,700,000 | 20,700,000
Borrowings, facility fee, percent |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.50% | 1.50%
Borrowings, minimum outstanding advance provided |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 9,400 | $ 7,000,000
Repayments of borrowings |  |  | $ 1,500 | $ 1,200,000 | $ 1,500 | $ 1,200,000 | $ 2,700 | $ 2,000,000 | $ 2,700 | $ 2,000,000 | $ 9,595 | $ 7,118,000 | $ 3,696 | $ 2,882,000 |  |  |
Payment of facility amendment fee | $ 68 | $ 50,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, advance outstanding |  |  |  |  |  |  |  |  |  |  |  |  | $ 9,500 |  | $ 7,100,000 |  |
Borrowings, securities pledged as collateral, shares, released (in shares) |  |  |  |  |  |  |  |  |  |  | 20,700,000 |  |  |  |  |  |
Loss on modification of margin loan |  |  |  |  |  |  |  |  |  |  | $ 422 | $ 314,000 |  |  |  |  |
Margin loan facility [member] | Secured overnight finance rate [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.65% | 5.65%

X
- Definition Amount of outstanding advance for borrowings. + References No definition available. + Details
Name: | gldg_BorrowingsAdvanceOutstanding
Namespace Prefix: | gldg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The percent facility fee for borrowings. + References No definition available. + Details
Name: | gldg_BorrowingsFacilityFeePercent
Namespace Prefix: | gldg_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The maximum borrowing limit of borrowings. + References No definition available. + Details
Name: | gldg_BorrowingsMaximumBorrowingLimit
Namespace Prefix: | gldg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of minimum outstanding advance provided for borrowings. + References No definition available. + Details
Name: | gldg_BorrowingsMinimumOutstandingAdvanceProvided
Namespace Prefix: | gldg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The number of securities pledged as collateral for borrowings + References No definition available. + Details
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Namespace Prefix: | gldg_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of released securities that were pledged as collateral for borrowings. + References No definition available. + Details
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Namespace Prefix: | gldg_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The percent standby fee under borrowings. + References No definition available. + Details
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Namespace Prefix: | gldg_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents loss on modification of margin loan. + References No definition available. + Details
Name: | gldg_LossOnModificationOfMarginLoan
Namespace Prefix: | gldg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash outflow to settle a facility amendment fee. + References No definition available. + Details
Name: | gldg_PaymentOfFacilityAmendmentFee
Namespace Prefix: | gldg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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
- Definition The adjustment to the basis (reference rate) used for calculation of the interest rate on borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 7 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_7&doctype=Standard -URIDate 2023-03-23 + Details
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Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The cash outflow to settle borrowings, classified as financing activities. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2023-01-01 -Paragraph 17 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_17_d&doctype=Standard -URIDate 2023-03-23 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |