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Capital Management and Financial Risk - Net cash and investment position (Details) - CAD ($) | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
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Capital Management And Financial Risk [Line Item] |  |  |
Cash and cash equivalents | $ 108,518,000 | $ 131,054,000 | $ 50,915,000
Investments | 252,135,000 | 302,897,000 | 170,645,000
Debt obligations-current | (375,000) | (213,000) |
Net cash and investments | 360,278,000 | 433,738,000 |
Total equity | 564,322,000 | 641,784,000 | 436,016,000
Equity Instrument & Investment in Associates |  |  |
Capital Management And Financial Risk [Line Item] |  |  |
Investments | 8,047,000 | 10,517,000 |
Uranium |  |  |
Capital Management And Financial Risk [Line Item] |  |  |
Investments | 231,088,000 | 276,815,000 | 162,536,000
Convertible debenture |  |  |
Capital Management And Financial Risk [Line Item] |  |  |
Investments | $ 13,000,000 | $ 15,565,000 | $ 0

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