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Income Taxes (Tables) | 12 Months Ended
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Oct. 31, 2025
Income Tax Disclosure [Abstract] |
Summary of Loss Before Provision for Income Taxes | Loss before provision for income taxes consisted of the following:
|  | Year ended October 31, |
|  | 2025 |  |  | 2024 |
Domestic (Canada) |  | $ | (103,727 | ) |  | $ | (53,460 | )
Foreign (US) |  |  | (13,575 | ) |  |  | (1,701 | )
Loss before income taxes |  | $ | (117,302 | ) |  | $ | (55,161 | )
Summary Of Components Of The Provision For (Recovery Of) Income Taxes | The components of the provision for (recovery of) income taxes is as follows:
|  | Year ended October 31, |
|  | 2025 |  |  | 2024 |
Current expense (benefit): |  |  |  |  |  |
Domestic (Canada) |  | $ | — |  |  | $ | — |
Foreign (US) |  |  | — |  |  |  | (19 | )
Total current expense (benefit) |  |  | — |  |  |  | (19 | )
Deferred expense (benefit) |  |  |  |  |  |
Domestic (Canada) |  |  | — |  |  |  | — |
Foreign (US) |  |  | — |  |  |  | — |
Total deferred tax expense (benefit) |  |  | — |  |  |  | — |
Total income tax expense (benefit) |  | $ | — |  |  | $ | (19 | )
Summary Of Reconciliation Of Company's Statutory Income Tax Rate | A reconciliation of the Company's statutory income tax rate to the Company's effective income tax rate is as follows:
|  | Year ended October 31, |
|  | 2025 |  |  | 2024 |
Income at Canadian statutory rate |  |  | 26.50 | % |  |  | 26.50 | %
State taxes, net of federal benefit |  |  | 0.66 | % |  |  | 0.18 | %
Permanent differences |  |  | (0.29 | )% |  |  | (2.77 | )%
Tax credits |  |  | 0.60 | % |  |  | 1.07 | %
Foreign rate differential |  |  | (0.64 | )% |  |  | (0.17 | )%
Valuation allowance |  |  | (26.82 | )% |  |  | (25.02 | )%
Other |  |  | (0.01 | )% |  |  | 0.24 | %
|  |  | (0.00 | )% |  |  | 0.03 | %
Summary Of Net Deferred Income Tax | The net deferred income tax balances related to the following:
|  | October 31, |
|  | 2025 |  |  | 2024 |
Deferred tax assets: |  |  |  |  |  |
R&D expenditures |  |  | 10,021 |  |  |  | 8,172 |
Net operating loss (NOL) carryforwards |  |  | 61,127 |  |  |  | 31,661 |
Capital loss carryforwards |  |  | 285 |  |  |  | 97 |
Investment tax credits, net |  |  | 2,688 |  |  |  | 1,934 |
Property and equipment |  |  | 270 |  |  |  | 704 |
Financing costs |  |  | 4,000 |  |  |  | 5,452 |
Accruals |  |  | 924 |  |  |  | 747 |
Operating lease liability |  |  | 2,270 |  |  |  | 404 |
Note payable |  |  | 15 |  |  |  | 197 |
Stock-based compensation |  |  | 894 |  |  |  |
Other |  |  | — |  |  |  | 1 |
Total deferred tax assets |  |  | 82,494 |  |  |  | 49,369 |
Deferred tax liabilities: |  |  |  |  |  |
Operating lease-right of use asset |  |  | (2,068 | ) |  |  | (377 | )
Total deferred tax liabilities |  |  | (2,068 | ) |  |  | (377 | )
Valuation allowance |  |  | (80,426 | ) |  |  | (48,992 | )
Net deferred tax assets (liability) |  |  | — |  |  |  | — |

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