Derivative liabilities - Summary of fair value of share options (Details)	3 Months Ended	12 Months Ended
Dec. 31, 2022	Dec. 31, 2023	Sep. 30, 2022	Sep. 30, 2021
IfrsStatementLineItems [Line Items]
Risk-free interest rate	1.90%	4.55%	1.39%	0.34%
Expected life (years)	2 years 11 months 4 days	1 year 4 months 13 days	2 years 10 months 13 days	2 years 11 months 26 days
Expected volatility	42.12%	41.83%	47.99%	37.00%
Expected dividend yield	0.65%	1.72%	0.14%	0.00%
Estimated forfeiture rate	1.72%	13.33%	0.05%	1.98%
Ely Warrants [member]
IfrsStatementLineItems [Line Items]
Risk-free interest rate	4.02%		3.75%	0.23%
Expected life (years)	4 months 20 days		7 months 20 days	1 year 7 months 20 days
Expected volatility	41.00%		40.00%	43.00%
Expected dividend yield	0.00%		0.00%	0.00%
Estimated forfeiture rate	0.00%		0.00%	0.00%

Description of Forfeiture Rate Share Options Granted.

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- Definition

Expected Life Share Options Granted.

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No definition available.

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- Definition

Ifrs Statement Line Items

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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 2023-01-01
-Paragraph 47
-Subparagraph a
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_47_a_i&doctype=Standard
-URIDate 2023-03-23

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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]]

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- Definition

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

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