Stock-based compensation - Assumptions and stock based compensation expense (Details) |
12 Months Ended | |
|---|---|---|
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Dec. 31, 2025
USD ($)
Y
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Dec. 31, 2024
USD ($)
Y
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| Stock-based compensation | ||
| Expected life of stock options | Y | 10 | 10 |
| Expected weighted average volatility | 84.00% | 84.00% |
| Expected dividend yield | 0.00% | 0.00% |
| Weighted average risk-free interest rate | 3.10% | 3.03% |
| Weighted average fair value of stock options granted in the year | $ 0.44 | $ 0.44 |
| Stock-based compensation expense | $ 3,235,000 | $ 1,641,000 |
| X | ||||||||||
- 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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| X | ||||||||||
- Definition The option life of share options granted. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- 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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| X | ||||||||||
- References No definition available.
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- Definition The percentage of an expected dividend used to calculate the fair value of share options granted. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The weighted average fair value of share options granted during the period at the measurement date. [Refer: Weighted average [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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