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Segmented Information and Economic Dependence (Tables) | 12 Months Ended
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Apr. 30, 2026
Disclosure of operating segments [abstract] |
Summary of Geographical Segments | The Company’s revenues are allocated to geographic regions for the year ended April 30, 2026, 2025 and 2024 as follows:
|  |  |  |  | Years ended April 30, |
Revenue by Region (in thousands) |  | 2026 $ |  |  | 2025 $ |  |  | 2024 $ |
United States of America |  |  | 10,307 |  |  |  | 8,663 |  |  |  | 8,439 |
Europe |  |  | 2,795 |  |  |  | 393 |  |  |  | 929 |
Canada |  |  | 322 |  |  |  | 234 |  |  |  | 385 |
Australia |  |  | 1,050 |  |  |  | 896 |  |  |  | 482 |
Other |  |  | 1,084 |  |  |  | 440 |  |  |  | 44 |
|  |  | 15,558 |  |  |  | 10,626 |  |  |  | 10,279 |
The Company’s non-current assets are allocated to geographic regions as of April 30, 2026, 2025 and 2024 as follows:
Non-Current Assets (in thousands) |  | 2026 $ |  |  | 2025 $ |  |  | 2024 $ |
North America - Corporate |  |  | 82 |  |  |  | 80 |  |  |  | 80 |
North America |  |  | 4,741 |  |  |  | 4,167 |  |  |  | 4,138 |
Belgium |  |  | 333 |  |  |  | 268 |  |  |  | 22,261 |
Netherlands |  |  | — |  |  |  | 21,172 |  |  |  | 22,022 |
|  |  | 5,156 |  |  |  | 25,687 |  |  |  | 48,501 |
Geographic segmentation of the Company’s net income (loss) for the year ended April 30, 2026, 2025 and 2024 is as follows:
|  |  |  |  | Years ended April 30, |
Net Income (Loss) including discontinued operations by Region (in thousands) |  | 2026 $ |  |  | 2025 $ |  |  | 2024 $ |
North America - Corporate |  |  | 9,361 |  |  |  | (8,142 | ) |  |  | (7,846 | )
North America |  |  | 372 |  |  |  | 699 |  |  |  | (449 | )
Belgium |  |  | (8,161 | ) |  |  | (23,908 | ) |  |  | (19,009 | )
Netherlands |  |  | (15,521 | ) |  |  | 1,117 |  |  |  | 1,189 |
|  |  | (13,949 | ) |  |  | (30,234 | ) |  |  | (26,115 | )
Geographic segmentation of the interest and accretion, and amortization and depreciation for the year ended April 30, 2026, 2025 and 2024 is as follows:
|  |  |  |  | Years ended April 30, |
Interest and accretion (in thousands) |  | 2026 $ |  |  | 2025 $ |  |  | 2024 $ |
North America - Corporate |  |  | — |  |  |  | 44 |  |  |  | 4 |
North America |  |  | 226 |  |  |  | 224 |  |  |  | 231 |
Belgium |  |  | — |  |  |  | 4 |  |  |  | — |
Netherlands |  |  | — |  |  |  | (7 | ) |  |  | (19 | )
|  |  | 226 |  |  |  | 265 |  |  |  | 216 |
|  |  |  |  | Years ended April 30, |
Amortization and depreciation (in thousands) |  | 2026 $ |  |  | 2025 $ |  |  | 2024 $ |
North America - Corporate |  |  | 8 |  |  |  | 5 |  |  |  | 5 |
North America |  |  | 758 |  |  |  | 672 |  |  |  | 687 |
Belgium |  |  | 98 |  |  |  | 1,612 |  |  |  | 2,422 |
Netherlands |  |  | 2 |  |  |  | — |  |  |  | — |
|  |  | 866 |  |  |  | 2,289 |  |  |  | 3,114 |
Summary of Revenues Allocated According to Revenue Types | The Company’s revenues are allocated according to revenue types for the year ended April 30, 2026, 2025 and 2024 as follows:
|  |  |  |  | Years ended April 30, |
Revenue Allocation (in thousands) |  | 2026 $ |  |  | 2025 $ |  |  | 2024 $ |
Project revenue |  |  | 15,405 |  |  |  | 10,397 |  |  |  | 10,035 |
Product sales revenue |  |  | 1 |  |  |  | 7 |  |  |  | 21 |
Cryostorage revenue |  |  | 152 |  |  |  | 222 |  |  |  | 223 |
|  |  | 15,558 |  |  |  | 10,626 |  |  |  | 10,279 |

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