Common shares issued for marketing services, shares.

No definition available.

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Namespace Prefix:	groy_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

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Namespace Prefix:	groy_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The amounts payable resulting from related party transactions. [Refer: Related parties [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2021-01-01
-Paragraph 20
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+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of expense from share-based payment transactions with employees. [Refer: Expense from share-based payment transactions]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2021-01-01
-Paragraph 112
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-URIDate 2021-03-24

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of services received in related party transactions. [Refer: Related parties [member]]

+ References

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-Name IAS
-Number 24
-IssueDate 2021-01-01
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-URIDate 2021-03-24

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

Related party transactions (Details Narrative) - USD ($) $ in Thousands		12 Months Ended
	Oct. 12, 2021	Sep. 30, 2022	Sep. 30, 2021
IfrsStatementLineItems [Line Items]
Share-based compensation expense		$ 3,146	$ 2,995
Blender Media Inc. [member]
IfrsStatementLineItems [Line Items]
Amount incurred related to website design, hosting and maintenance service received		136	71
Stock issued for services, shares	120,000
Share-based compensation expense		626
Management and Directors [member]
IfrsStatementLineItems [Line Items]
Amounts payable, related party transactions		$ 582	$ 632