Share capital and reserves - Fair value of the derivative warrant liabilities (Details) - $ / shares |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Share capital and reserves | |||
| Risk-free interest rate | 3.47% | 3.25% | |
| Expected volatility | 100.00% | 100.00% | |
| Derivative Warrant Liabilities | |||
| Share capital and reserves | |||
| Share price | $ 0.56 | $ 1.13 | $ 2.31 |
| Risk-free interest rate | 2.55% | ||
| Dividend yield | 0.00% | 0.00% | 0.00% |
| Expected volatility | 100.00% | ||
| Derivative Warrant Liabilities | Maximum | |||
| Share capital and reserves | |||
| Risk-free interest rate | 3.91% | ||
| Expected volatility | 127.00% | 134.00% | |
| Remaining term (in years) | 1 year 9 months 18 days | 2 years 9 months 18 days | 3 years 9 months 18 days |
| Derivative Warrant Liabilities | Minimum | |||
| Share capital and reserves | |||
| Risk-free interest rate | 2.92% | 3.25% | |
| Expected volatility | 78.00% | 94.00% | |
| Remaining term (in years) | 1 month 6 days | 1 year 1 month 6 days | 2 years 1 month 6 days |
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. No definition available.
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- Definition The exercise price of share options granted. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Average yield on nontaxable investment securities. No definition available.
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- Definition It represents weighted average remaining contractual life No definition available.
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