Note 9 - Capital Stock and Reserves - Fair Value of Stock Option Assumptions (Details) |
12 Months Ended | ||
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Mar. 31, 2025
CAD ($)
$ / shares
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Mar. 31, 2024
CAD ($)
$ / shares
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Mar. 31, 2023
CAD ($)
$ / shares
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Statement Line Items [Line Items] | |||
Fair value per option | $ | $ 1.48 | $ 5.42 | $ 6 |
Exercise price (in CAD per share) | $ / shares | $ 2.13 | $ 5.49 | $ 11 |
Expected life (years) | 3.92 | 3.5 | 3 |
Interest rate | 2.92% | 4.17% | 3.49% |
Annualized volatility (based on historical volatility) | 101.00% | 108.00% | 118.00% |
Dividend yield | 0.00% | 0.00% | 0.00% |
X | ||||||||||
- Definition The exercise price of share options granted. No definition available.
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X | ||||||||||
- References No definition available.
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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 | ||||||||||
- 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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X | ||||||||||
- 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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