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Income taxes - Losses Expiry (Details) $ in Thousands | Nov. 30, 2023 USD ($)
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CA |
Non-capital losses | $ 63,192
Alaska, USA |
Operating losses | 150,828
2024 | Alaska, USA |
Operating losses | 569
2025 | Alaska, USA |
Operating losses | 1,530
2026 | Alaska, USA |
Operating losses | 7,871
Thereafter | CA |
Non-capital losses | 63,192
Thereafter | Alaska, USA |
Operating losses | $ 140,858

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