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SUPPLEMENTAL FINANCIAL INFORMATION | 9 Months Ended
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Sep. 30, 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 September 30, |  | Nine Months Ended September 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
Unrealized gain (loss) on marketable securities | $ | 7,506 |  |  | $ | (2,330) |  |  | $ | 6,655 |  |  | $ | (1,346) |
Realized gain (loss) on maturities of marketable securities | (95) |  |  | 843 |  |  | 355 |  |  | 1,704 |
Foreign exchange gain (loss) | (264) |  |  | 22 |  |  | (1,780) |  |  | (331) |
Interest income, net and other | 1,119 |  |  | 1,291 |  |  | 3,051 |  |  | 4,039 |
Other income (loss) | $ | 8,266 |  |  | $ | (174) |  |  | $ | 8,281 |  |  | $ | 4,066 |
The components of accounts payable and accrued liabilities are as follows:
| September 30, 2025 |  | December 31, 2024
Accounts payable | $ | 4,975 |  |  | $ | 7,508 |
Accrued operating expenses | 6,193 |  |  | 6,507 |
Accrued payroll liabilities | 5,635 |  |  | 6,558 |
Accrued capital expenditures | 2,378 |  |  | — |
Accrued taxes | 1,133 |  |  | 1,673 |
Mine closure redundancy | — |  |  | 9,169 |
Deferred revenue | — |  |  | 813 |
Total accounts payable and accrued liabilities | $ | 20,314 |  |  | $ | 32,228 |

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