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SUPPLEMENTAL FINANCIAL INFORMATION | 3 Months Ended
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Mar. 31, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Supplemental Financial Information | SUPPLEMENTAL FINANCIAL INFORMATION The components of other income (loss) are as follows:
| Three Months Ended March 31, |  |
| 2025 |  | 2024 |  |  |  |
Unrealized gain (loss) on marketable securities | $ | (852) |  |  | $ | 540 |  |  |  |  |
Realized gain on maturities of marketable securities | 188 |  |  | 212 |  |  |  |  |
Foreign exchange loss | (1,423) |  |  | (702) |  |  |  |  |
Interest income (expense), net and other | 596 |  |  | 1,567 |  |  |  |  |
Other income (loss) | $ | (1,491) |  |  | $ | 1,617 |  |  |  |  |
The components of accounts payable and accrued liabilities are as follows:
| March 31, 2025 |  | December 31, 2024
Mine closure redundancy | $ | 6,057 |  |  | $ | 9,169 |
Accounts payable | 6,780 |  |  | 7,508 |
Accrued operating expenses | 5,423 |  |  | 6,507 |
Accrued payroll liabilities | 3,622 |  |  | 6,558 |
Accrued capital expenditures | 1,514 |  |  | — |
Accrued taxes | 519 |  |  | 1,673 |
Deferred revenue | — |  |  | 813 |
Total accounts payable and accrued liabilities | $ | 23,915 |  |  | $ | 32,228 |

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