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Note 10 - Rehabilitation Provisions (Details Textual)	Jul. 31, 2017 CAD ($)
Yellowknife Gold project [member]
Statement Line Items [Line Items]
Total provision for decommissioning, restoration and rehabilitation costs	$ 489,818

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- References

No definition available.

+ Details

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Namespace Prefix:	gldg_
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Balance Type:	na
Period Type:	duration

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- Definition

The amount of provision for costs related to decommissioning, restoration and rehabilitation. [Refer: Other provisions]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 37
-IssueDate 2020-01-01
-Section D Examples: disclosures
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2020-en-r&doctype=Illustrative%20Examples&dita_xref=IAS37_IE_D_TI
-URIDate 2020-01-01

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 37
-IssueDate 2020-01-01
-Paragraph 87
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2020-en-r&anchor=para_87&doctype=Standard
-URIDate 2020-01-01

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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- Details

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Namespace Prefix:
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Balance Type:
Period Type: