Note 8 - Investment in Associate - Gain (Loss) on Remeasurement, Ownership, and Control (Details) - CAD ($) $ in Thousands	12 Months Ended
Nov. 30, 2025	Nov. 30, 2024
Statement Line Items [Line Items]
Balance	$ 7,230
Balance	0	$ 7,230
NevGold Corp [member]
Statement Line Items [Line Items]
Balance	7,230	6,297
Addition pursuant to Option Agreement - January 18, 2024		2,260
Share of loss in NevGold	(1,090)	(1,767)
Share of OCI in NevGold	(52)	131
Gain on dilution of ownership interest in NevGold	744	309
Disposition of NevGold shares	(1,053)
Derecognition of investment in associate	(5,779)
Balance	$ 0	$ 7,230

Represents the disposition of the shares of associates and joint ventures accounted for using equity method

No definition available.

Name:	gldg_DispositionOfSharesOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
Namespace Prefix:	gldg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of gain (loss) on ownership dilution.

+ References

No definition available.

+ Details

Name:	gldg_GainLossOnOwnershipDilution
Namespace Prefix:	gldg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount derecognized of investment in associate.

+ References

No definition available.

+ Details

Name:	gldg_InvestmentInAssociateAmountDerecognized
Namespace Prefix:	gldg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The entity's share of the comprehensive income arising from investments in associates accounted for using the equity method.

+ References

No definition available.

+ Details

Name:	gldg_ShareOfOtherComprehensiveIncomeLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
Namespace Prefix:	gldg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- References

No definition available.

+ Details

Name:	gldg_Statement1LineItems
Namespace Prefix:	gldg_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of investments in associates accounted for using the equity method. [Refer: Total for all associates [member]; Investments accounted for using equity method]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_InvestmentsInAssociatesAccountedForUsingEquityMethod
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The cash outflow for the purchase of interests in associates. [Refer: Total for all associates [member]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 7
-IssueDate 2024-01-01
-Paragraph 16
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2024-en-r&anchor=para_16&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_PurchaseOfInterestsInAssociates
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The entity's share of the profit (loss) of associates and joint ventures accounted for using the equity method. [Refer: Total for all associates [member]; Investments accounted for using equity method; Total for all joint ventures [member]; Profit (loss)]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 8
-IssueDate 2024-01-01
-Paragraph 28
-Subparagraph e
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2024-en-r&anchor=para_28_e&doctype=Standard
-URIDate 2024-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 8
-IssueDate 2024-01-01
-Paragraph 23
-Subparagraph g
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2024-en-r&anchor=para_23_g&doctype=Standard
-URIDate 2024-03-27

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 82
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_82_c&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	ifrs-full_SignificantInvestmentsInAssociatesAxis=gldg_NevgoldCorpMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: