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Share capital warrants and subscription receipts - Summary Of Fair Value Of Options Used To Determine The Weighted Average Assumptions (Detail) | 12 Months Ended
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Nov. 30, 2023 yr $ / shares | Nov. 30, 2023 yr $ / shares | Nov. 30, 2022 yr $ / shares | Nov. 30, 2022 yr $ / shares
US$ |  |  |  |
Options granted |  |  |  |
Risk-free interest rate | 3.92% | 3.92% | 1.95% | 1.95%
Expected volatility | 62.00% | 62.00% | 64.00% | 64.00%
Average option life in years | yr | 9.5 | 9.5 | 9 | 9
Grant-date share price | $ / shares | $ 3.8 |  | $ 12.08 |
Option exercise price | $ / shares | $ 3.8 |  | $ 12.08 |
CA$ |  |  |  |
Options granted |  |  |  |
Risk-free interest rate | 3.33% | 3.33% | 1.62% | 1.62%
Expected volatility | 64.30% | 64.30% | 65.50% | 65.50%
Average option life in years | yr | 9.5 | 9.5 | 9 | 9
Grant-date share price | (per share) | $ 3.8 | $ 5.16 | $ 13 | $ 16.68
Option exercise price | (per share) | $ 3.8 | $ 5.16 | $ 13 | $ 16.68

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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 + Details
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- Definition The option life of share options granted. + 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 + Details
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- 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 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 + Details
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- Definition The exercise price of share options granted. + 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 + Details
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- Definition The weighted average share price used as input to the option pricing model to calculate the fair value of share options granted. [Refer: Option pricing model [member]; Weighted average [member]] + 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 + Details
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- Details
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