| In millions, except per share items | Dec-31-22 | Dec-31-21 | Dec-31-20 |
| | Source | Source | Source |
| Accretion | 0.1 | 0.1 | 0.1 |
| |
| Administrative compensation | | | |
| Communications | | | |
| Consulting | 0.8 | 2.8 | 1.6 |
| |
| Depreciation | | | |
| Exploration and evaluation | | | |
| Flow-through share premium recovery | -13.3 | -12.9 | -11.1 |
| Gain on sale of royalty | -9.5 | | |
| |
| (Gain) loss on marketable securities | | | |
| Insurance | | | |
| Interest income | | | |
| Office and administration | 1.4 | 0.9 | 0.2 |
| |
| Professional fees | | | |
| Share-based payments | | | |
| Transfer agent and listing fees | 0.5 | 0.7 | 0.3 |
| |
| Loss and comprehensive loss for the year | | | |
| Loss per share - basic | | | |
| Loss per share - diluted | | | |
| Weighted average number of common shares outstanding - basic | | | |
| Weighted average number of common shares outstanding - diluted | | | |