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Share Capital - Disclosure of continuity of stock options (Details) | 12 Months Ended
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Apr. 30, 2024 Shares $ / shares | Apr. 30, 2023 Shares $ / shares
Disclosure of classes of share capital [abstract] |  |
Options outstanding, beginning of the year | Shares | 15,926,972 | 14,640,472
Weighted average exercise price, beginning of the year | $ / shares | $ 1.69 | $ 1.64
Issued | Shares | 4,500,000 | 2,720,000
Weighted average exercise price of share options issued | $ / shares | $ 1.57 | $ 1.63
Cancelled | Shares | (841,000) | (658,153)
Weighted average exercise price of share options cancelled | $ / shares | $ (1.85) | $ (2.06)
Exercised | Shares | (782,250) | (775,347)
Weighted average exercise price of share options exercised | $ / shares | $ (1.38) | $ (0.41)
Options outstanding, end of the year | Shares | 18,803,722 | 15,926,972
Weighted average exercise price, end of the year | $ / shares | $ 1.66 | $ 1.69
Number of options exercisable, end of the year | Shares | 15,469,222 | 13,692,722
Weighted average exercise price of share options exercisable , end of the year | $ / shares | $ 1.68 | $ 1.69

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