Additional exercise price of per warrants in cash.

No definition available.

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Namespace Prefix:	groy_
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Period Type:	duration

- Definition

Derivative liabilities recognized as of acquisition date.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Estimated forfeiture rate.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Exercise of warrants per common share.

+ References

No definition available.

+ Details

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- Definition

Expected life.

+ References

No definition available.

+ Details

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- References

No definition available.

+ Details

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- Definition

Warrants to purchase common shares outstanding.

+ References

No definition available.

+ Details

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- Definition

The expected volatility of the share price used to calculate the fair value of the share options 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 option pricing models is the annualised standard deviation of the continuously compounded rates of return on the share over a period of time.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2021-01-01
-Paragraph 47
-Subparagraph a
-Clause i
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_47_a_i&doctype=Standard
-URIDate 2021-03-24

+ Details

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Period Type:	duration

- Definition

The implied yield currently available on zero-coupon government issues of the country in whose currency the exercise price for share options granted is expressed, with a remaining term equal to the expected term of the option being valued (based on the option's remaining contractual life and taking into account the effects of expected early exercise). [Refer: Government [member]]

+ References

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of an expected dividend used to calculate the fair value of share options granted.

+ References

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The gains (losses) resulting from change in the fair value of derivatives recognised in profit or loss. [Refer: Derivatives [member]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2021-01-01
-Paragraph 85
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_85&doctype=Standard
-URIDate 2021-03-24

+ Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Derivative liabilities (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Sep. 30, 2021	Nov. 05, 2021
IfrsStatementLineItems [Line Items]
Fair value of put and call options on business combination				$ 691
Risk-free interest rate	1.90%	1.39%	34.00%
Expected volatility	42.12%	47.99%	37.00%
Expected dividend yield	0.65%	0.14%	0.00%
Fair value gain (loss) on change in fair value of derivative liabilities	$ 278	$ 4,588	$ (1,511)
Ely Warrants [member]
IfrsStatementLineItems [Line Items]
Warrants to purchase common shares outstanding	8,849,251	8,849,251
Exercise of warrants per common share	0.2450	0.2450
Additional exercise price of per warrants in cash	$ 0.0001	$ 0.0001
Expected Life Of Warrant	4 months 20 days	7 months 20 days	1 year 7 months 20 days
Fair value gain (loss) on change in fair value of derivative liabilities	$ 294	$ 3,999	$ 1,511
Ely Warrants [member] \| Interest rate, measurement input [member]
IfrsStatementLineItems [Line Items]
Risk-free interest rate	4.02%	3.75%	0.23%
Ely Warrants [member] \| Historical volatility for shares, measurement input [member]
IfrsStatementLineItems [Line Items]
Expected volatility	41.00%	40.00%	43.00%
Ely Warrants [member] \| Expected dividend yield [member]
IfrsStatementLineItems [Line Items]
Expected dividend yield	0.00%	0.00%	0.00%
Ely Warrants [member] \| Estimated forfeiture rate [member]
IfrsStatementLineItems [Line Items]
Estimated forfeiture rate	0.00%	0.00%	0.00%
Abitibi [Member] \| Put and Call Options [Member]
IfrsStatementLineItems [Line Items]
Fair value of put and call options on business combination	$ 691
Fair value gain (loss) on change in fair value of derivative liabilities	$ (16)