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Intangible Assets | 12 Months Ended
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Apr. 30, 2026
Disclosure of detailed information about intangible assets [abstract] |
INTANGIBLE ASSETS | 8. INTANGIBLE ASSETS Changes in the value of the intangible assets during the years ended April 30, 2026, 2025 and 2024 are as follows:
(in thousands) |  | Internally Generated Development Costs $ |  |  | Intellectual Property $ |  |  | Proprietary Processes $ |  |  | Certifications $ |  |  | Customer List $ |
Cost: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance, April 30, 2024 |  |  | 33 |  |  |  | 30,718 |  |  |  | 7,927 |  |  |  | 136 |  |  |  | 38,814 |
Impairments and disposals |  |  | — |  |  |  | (21,184 | ) |  |  | (156 | ) |  |  | — |  |  |  | (21,340 | )
Foreign exchange |  |  | — |  |  |  | 1,435 |  |  |  | 552 |  |  |  | 10 |  |  |  | 1,997 |
Balance, April 30, 2025 |  |  | 33 |  |  |  | 10,969 |  |  |  | 8,323 |  |  |  | 146 |  |  |  | 19,471 |
Discontinued operations |  |  | — |  |  |  | (4,292 | ) |  |  | (8,080 | ) |  |  | (146 | ) |  |  | (12,518 | )
Foreign exchange |  |  | — |  |  |  | 175 |  |  |  | 8 |  |  |  | — |  |  |  | 183 |
Balance, April 30, 2026 |  |  | 33 |  |  |  | 6,852 |  |  |  | 251 |  |  |  | — |  |  |  | 7,136 |
Accumulated Amortization: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance, April 30, 2024 |  |  | 33 |  |  |  | 7,366 |  |  |  | 7,722 |  |  |  | 136 |  |  |  | 15,257 |
Amortization |  |  | — |  |  |  | 1,895 |  |  |  | 53 |  |  |  | — |  |  |  | 1,948 |
Foreign exchange |  |  | — |  |  |  | 641 |  |  |  | 548 |  |  |  | 10 |  |  |  | 1,199 |
Balance, April 30, 2025 |  |  | 33 |  |  |  | 9,902 |  |  |  | 8,323 |  |  |  | 146 |  |  |  | 18,404 |
Discontinued operations |  |  | — |  |  |  | (3,341 | ) |  |  | (8,080 | ) |  |  | (146 | ) |  |  | (11,567 | )
Foreign exchange |  |  | — |  |  |  | 291 |  |  |  | 8 |  |  |  | — |  |  |  | 299 |
Balance, April 30, 2026 |  |  | 33 |  |  |  | 6,852 |  |  |  | 251 |  |  |  | — |  |  |  | 7,136 |
Net Book Value: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
April 30, 2025 |  |  | — |  |  |  | 1,067 |  |  |  | — |  |  |  | — |  |  |  | 1,067 |
April 30, 2026 |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
During the years ended April 30, 2024, the Company recorded an impairment loss of $3.9 million on impairment of intangible assets for the BioStrand CGU. The loss was recorded as a reduction in goodwill and the intangible assets. The primary factor for the impairment included a rise in the discount rate as compared to the prior year, along with a delay in expected cash flows in the forecast. The increased discount rate relates to increases in the forecast risk for the BioStrand CGU, increased economic risk, and increased global interest rates as compared to the prior year. During the year ended April 30, 2025, the Company recorded an impairment loss of $21.2 million for the BioStrand CGU. The loss was recorded as a reduction in the intangible assets in BioStrand and in the consolidated statements of loss. The primary factor for the impairment included a delay in expected cash flows of BioStrand due to the strategic plans and expected use of BioStrand's assets. The increased discount rate relates to additional forecast risk for the BioStrand CGU, as compared to period ended April 30, 2024.

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