v3.25.2
Leases - Schedule of Changes in the Value of the Right-of-Use Assets (Details) - CAD ($)
$ in Thousands
 12 Months Ended
Apr. 30, 2025
Apr. 30, 2024
Cost    
Disclosure of quantitative information about right-of-use assets [line items]    
Beginning balance $ 15,309 $ 9,252
Additions 995 7,827
Disposals (99) (1,634)
Foreign exchange 838 (136)
Ending balance 17,043 15,309
Accumulated Depreciation    
Disclosure of quantitative information about right-of-use assets [line items]    
Beginning balance 1,943 1,809
Depreciation 2,002 1,779
Disposals (99) (1,606)
Foreign exchange 165 (39)
Ending balance 4,011 1,943
Net Book Value    
Disclosure of quantitative information about right-of-use assets [line items]    
Beginning balance 13,366  
Ending balance 13,032 13,366
Building    
Disclosure of quantitative information about right-of-use assets [line items]    
Beginning balance 13,313  
Ending balance   13,313
Building | Cost    
Disclosure of quantitative information about right-of-use assets [line items]    
Beginning balance 15,144 9,085
Additions 210 7,826
Disposals 0 (1,634)
Foreign exchange 820 (133)
Ending balance 16,174 15,144
Building | Accumulated Depreciation    
Disclosure of quantitative information about right-of-use assets [line items]    
Beginning balance 1,831 1,752
Depreciation 1,922 1,723
Disposals 0 (1,606)
Foreign exchange 158 (38)
Ending balance 3,911 1,831
Building | Net Book Value    
Disclosure of quantitative information about right-of-use assets [line items]    
Ending balance 12,263  
Automobile    
Disclosure of quantitative information about right-of-use assets [line items]    
Beginning balance 53  
Ending balance   53
Automobile | Cost    
Disclosure of quantitative information about right-of-use assets [line items]    
Beginning balance 165 167
Additions 207 1
Disposals (99)  
Foreign exchange 18 (3)
Ending balance 291 165
Automobile | Accumulated Depreciation    
Disclosure of quantitative information about right-of-use assets [line items]    
Beginning balance 112 57
Depreciation 67 56
Disposals (99)  
Foreign exchange 7 (1)
Ending balance 87 112
Automobile | Net Book Value    
Disclosure of quantitative information about right-of-use assets [line items]    
Ending balance 204  
Lab Equipment | Cost    
Disclosure of quantitative information about right-of-use assets [line items]    
Beginning balance   $ 0
Additions 578  
Disposals 0  
Foreign exchange 0  
Ending balance 578  
Lab Equipment | Accumulated Depreciation    
Disclosure of quantitative information about right-of-use assets [line items]    
Depreciation 13  
Disposals 0  
Foreign exchange 0  
Ending balance 13  
Lab Equipment | Net Book Value    
Disclosure of quantitative information about right-of-use assets [line items]    
Ending balance $ 565