| Summary of marketable securities |
| | | | | | | | | | | | | | | | | | As at | | Additions/ | | Disposals/ | | Loss on | | | As at | | | December 31, | | transfers during | | transfers during | | securities | | | March 31, | | | 2025 | | period | | period | | held | | | 2026 | Equity securities | | $ | 18,766 | | $ | — | | $ | (5,763) | | $ | (3,504) | | $ | 9,499 | Warrants | | | 2,348 | | | 3,380 | | | — | | | (1,685) | | | 4,043 | Total marketable securities | | $ | 21,114 | | $ | 3,380 | | $ | (5,763) | | $ | (5,189) | | $ | 13,542 |
| | | | | | | | | | | | | | | | | | As at | | Additions/ | | Disposals/ | | Gain on | | As at | | | December 31, | | transfers during | | transfers during | | securities | | March 31, | | | 2024 | | period | | period | | held | | 2025 | Marketable securities | | $ | 1,206 | | $ | 6,866 | | $ | (94) | | $ | 1,720 | | $ | 9,698 | Warrants | | | 411 | | | 601 | | | — | | | 35 | | | 1,047 | Total marketable securities | | $ | 1,617 | | | 7,467 | | | (94) | | | 1,755 | | | 10,745 |
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