v3.26.1
Share Capital - Summary of Options Outstanding (Details)
 12 Months Ended
Apr. 30, 2026
shares
$ / shares
Apr. 30, 2026
shares
$ / shares
Apr. 30, 2025
shares
Apr. 30, 2024
shares
Disclosure Of Classes Of Share Capital [Line Items]        
Exercise price | $ / shares $ 3.8      
Remaining life (year) 4 years 3 months 14 days      
Options outstanding 1,277,717 1,277,717 1,927,925 1,521,367
Unvested 317,736 317,736    
Vested 959,981 959,981    
Option Expiry Date January 7, 2027        
Disclosure Of Classes Of Share Capital [Line Items]        
Expiry Date January 7, 2027      
Exercise price | $ / shares $ 7.94      
Remaining life (year) 8 months 8 days      
Options outstanding 169,000 169,000    
Unvested 0 0    
Vested 169,000 169,000    
Option Expiry Date January 13, 2027        
Disclosure Of Classes Of Share Capital [Line Items]        
Expiry Date January 13, 2027      
Exercise price | $ / shares $ 8.3      
Remaining life (year) 8 months 15 days      
Options outstanding 16,000 16,000    
Unvested 0 0    
Vested 16,000 16,000    
Option Expiry Date May 15, 2027        
Disclosure Of Classes Of Share Capital [Line Items]        
Expiry Date May 15, 2027      
Exercise price | $ / shares $ 5.79      
Remaining life (year) 1 year 14 days      
Options outstanding 64,000 64,000    
Unvested 0 0    
Vested 64,000 64,000    
Option Expiry Date February 19, 2027        
Disclosure Of Classes Of Share Capital [Line Items]        
Expiry Date [1] February 19, 2027      
Exercise price | $ / shares [1] $ 5.21      
Remaining life (year) [1] 9 months 21 days      
Options outstanding [1] 7,265 7,265    
Unvested [1] 0 0    
Vested [1] 7,265 7,265    
Option Expiry Date February 19, 2028        
Disclosure Of Classes Of Share Capital [Line Items]        
Expiry Date [1] February 19, 2028      
Exercise price | $ / shares [1] $ 5.21      
Remaining life (year) [1] 1 year 9 months 21 days      
Options outstanding [1] 431,452 431,452    
Unvested [1] 0 0    
Vested [1] 431,452 431,452    
Option Expiry Date January 19, 2029        
Disclosure Of Classes Of Share Capital [Line Items]        
Expiry Date [2] January 19, 2029      
Exercise price | (per share) $ 1.88 [2] $ 1.48    
Remaining life (year) [2] 2 years 8 months 23 days      
Options outstanding [2] 60,000 60,000    
Unvested [2] 7,778 7,778    
Vested [2] 52,222 52,222    
Option Expiry Date January 4, 2033        
Disclosure Of Classes Of Share Capital [Line Items]        
Expiry Date [3] January 4, 2033      
Exercise price | $ / shares [3] $ 1.87      
Remaining life (year) [3] 6 years 8 months 8 days      
Options outstanding [3] 8,000 8,000    
Unvested [3] 1,667 1,667    
Vested [3] 6,333 6,333    
Option Expiry Date May 8, 2033        
Disclosure Of Classes Of Share Capital [Line Items]        
Expiry Date [3] May 8, 2033      
Exercise price | $ / shares [3] $ 1.87      
Remaining life (year) [3] 7 years 10 days      
Options outstanding [3] 4,000 4,000    
Unvested [3] 1,167 1,167    
Vested [3] 2,833 2,833    
Option Expiry Date June 11, 2033        
Disclosure Of Classes Of Share Capital [Line Items]        
Expiry Date [3] June 11, 2033      
Exercise price | $ / shares [3] $ 1.87      
Remaining life (year) [3] 7 years 1 month 13 days      
Options outstanding [3] 8,000 8,000    
Unvested [3] 2,500 2,500    
Vested [3] 5,500 5,500    
Option Expiry Date August 8, 2033        
Disclosure Of Classes Of Share Capital [Line Items]        
Expiry Date [3] August 8, 2033      
Exercise price | $ / shares [3] $ 1.87      
Remaining life (year) [3] 7 years 3 months 10 days      
Options outstanding [3] 4,000 4,000    
Unvested [3] 1,417 1,417    
Vested [3] 2,583 2,583    
Option Expiry Date November 13, 2033        
Disclosure Of Classes Of Share Capital [Line Items]        
Expiry Date [3] November 13, 2033      
Exercise price | $ / shares [3] $ 1.87      
Remaining life (year) [3] 7 years 6 months 18 days      
Options outstanding [3] 8,000 8,000    
Unvested [3] 3,333 3,333    
Vested [3] 4,667 4,667    
Option Expiry Date February 19, 2034        
Disclosure Of Classes Of Share Capital [Line Items]        
Expiry Date [3] February 19, 2034      
Exercise price | $ / shares [3] $ 1.87      
Remaining life (year) [3] 7 years 9 months 21 days      
Options outstanding [3] 8,000 8,000    
Unvested [3] 3,833 3,833    
Vested [3] 4,167 4,167    
Option Expiry Date August 2, 2034        
Disclosure Of Classes Of Share Capital [Line Items]        
Expiry Date [4] August 2, 2034      
Exercise price | (per share) $ 1.09 [4] $ 0.86    
Remaining life (year) [4] 8 years 3 months 3 days      
Options outstanding [4] 490,000 490,000    
Unvested [4] 296,042 296,042    
Vested [4] 193,958 193,958    
[1] Exercise price of U.S.$4.10. The figure in the table above is translated at the April 30, 2026 rate.
[2] Exercise price of U.S.$1.48. The figure in the table above is translated at the April 30, 2026 rate.
[3] Exercise price of U.S.$1.47. The figure in the table above is translated at the April 30, 2026 rate.
[4] Exercise price of U.S.$0.86. The figure in the table above is translated at the April 30, 2026 rate.