v3.26.1
Property and Equipment (Including Right of Use Assets) - Summary of Changes in the Value of Property and Equipment and Right-of-use Assets (Details) - CAD ($)
$ in Thousands
 12 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Cost    
Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets [line items]    
Beginning balance $ 23,492 $ 21,040
Additions 1,014 1,362
Discontinued Operations (17,669)  
Disposals (47) (99)
Foreign exchange 28 1,189
Ending balance 6,818 23,492
Accumulated Depreciation    
Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets [line items]    
Beginning balance 7,730 4,344
Depreciation 1,154 2,916
Discontinued Operations (6,308)  
Disposals (47) (99)
Foreign exchange 242 569
Ending balance 2,771 7,730
Net Book Value    
Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets [line items]    
Beginning balance 15,762  
Ending balance 4,047 15,762
Computer Hardware | Cost    
Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets [line items]    
Beginning balance 281 229
Additions 136 12
Discontinued Operations (205)  
Disposals (15) 0
Foreign exchange (8) 40
Ending balance 189 281
Computer Hardware | Accumulated Depreciation    
Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets [line items]    
Beginning balance 223 146
Depreciation 50 66
Discontinued Operations (129)  
Disposals (15) 0
Foreign exchange (11) 11
Ending balance 118 223
Computer Hardware | Net Book Value    
Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets [line items]    
Beginning balance 58  
Ending balance 71 58
Furniture and Equipment | Cost    
Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets [line items]    
Beginning balance 45 21
Additions 1 22
Discontinued Operations (39)  
Disposals 0 0
Foreign exchange 1 2
Ending balance 8 45
Furniture and Equipment | Accumulated Depreciation    
Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets [line items]    
Beginning balance 14 6
Depreciation 6 8
Discontinued Operations (17)  
Disposals 0 0
Foreign exchange 1 0
Ending balance 4 14
Furniture and Equipment | Net Book Value    
Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets [line items]    
Beginning balance 31  
Ending balance 4 31
Building | Cost    
Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets [line items]    
Beginning balance 16,174 15,144
Additions 0 210
Discontinued Operations (12,852)  
Disposals 0 0
Foreign exchange 211 820
Ending balance 3,533 16,174
Building | Accumulated Depreciation    
Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets [line items]    
Beginning balance 3,911 1,831
Depreciation 286 1,922
Discontinued Operations (3,262)  
Disposals 0 0
Foreign exchange 59 158
Ending balance 994 3,911
Building | Net Book Value    
Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets [line items]    
Beginning balance 12,263  
Ending balance 2,539 12,263
Automobile | Cost    
Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets [line items]    
Beginning balance 291 165
Additions 126 207
Discontinued Operations 0  
Disposals (32) (99)
Foreign exchange 4 18
Ending balance 389 291
Automobile | Accumulated Depreciation    
Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets [line items]    
Beginning balance 87 112
Depreciation 72 67
Discontinued Operations 0  
Disposals (32) (99)
Foreign exchange 4 7
Ending balance 131 87
Automobile | Net Book Value    
Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets [line items]    
Beginning balance 204  
Ending balance 258 204
Leasehold Improvements | Cost    
Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets [line items]    
Beginning balance 336 307
Additions 0 20
Discontinued Operations (148)  
Disposals 0 0
Foreign exchange 2 9
Ending balance 190 336
Leasehold Improvements | Accumulated Depreciation    
Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets [line items]    
Beginning balance 170 102
Depreciation 54 65
Discontinued Operations (78)  
Disposals 0 0
Foreign exchange 1 3
Ending balance 147 170
Leasehold Improvements | Net Book Value    
Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets [line items]    
Beginning balance 166  
Ending balance 43 166
Lab Equipment | Cost    
Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets [line items]    
Beginning balance 6,255 5,143
Additions 626 812
Discontinued Operations (4,425)  
Disposals 0 0
Foreign exchange (182) 300
Ending balance 2,274 6,255
Lab Equipment | Accumulated Depreciation    
Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets [line items]    
Beginning balance 3,325 2,147
Depreciation 686 788
Discontinued Operations (2,822)  
Disposals 0 0
Foreign exchange 188 390
Ending balance 1,377 3,325
Lab Equipment | Net Book Value    
Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets [line items]    
Beginning balance 2,930  
Ending balance 897 2,930
WIP - Leasehold Improvements | Cost    
Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets [line items]    
Beginning balance 110 31
Additions 125 79
Discontinued Operations 0  
Disposals 0 0
Foreign exchange 0 0
Ending balance 235 110
WIP - Leasehold Improvements | Accumulated Depreciation    
Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets [line items]    
Beginning balance 0 0
Depreciation 0 0
Discontinued Operations 0  
Disposals 0 0
Foreign exchange 0 0
Ending balance 0 0
WIP - Leasehold Improvements | Net Book Value    
Disclosure of reconciliation of changes in property, plant and equipment, including right-of-use assets [line items]    
Beginning balance 110  
Ending balance $ 235 $ 110