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SUPPLEMENTAL FINANCIAL INFORMATION (Tables) | 12 Months Ended
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Dec. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedules of Concentration of Risk, by Risk Factor | The Company’s outstanding trade receivables from its major customers are as follows:
| December 31,
| 2024 |  | 2023
Customer 1 | $ | 13,091 |  |  | $ | — |
Customer 2 | 5,980 |  |  | — |
Customer 3 | 3,150 |  |  | — |
Customer 4 | 291 |  |  | 291 |
The Company’s outstanding trade receivables by country of customer are as follows:
| December 31,
| 2024 |  | 2023
Japan | $ | 13,091 |  |  | $ | — |
China | 11,571 |  |  | — |
Spain | 1,908 |  |  | — |
Mexico | 1,052 |  |  | — |
South Korea | 601 |  |  | — |
Netherlands | 434 |  |  | — |
Estonia | 291 |  |  | 291 |
U.S. | 71 |  |  | 115 |
Total trade receivables | $ | 29,019 |  |  | $ | 406 |
Schedule of Other Nonoperating Income (Expense) | The components of other income (loss) are as follows:
| Years Ended December 31,
| 2024 |  | 2023 |  | 2022
Realized loss on investments | $ | — |  |  | $ | (10,491) |  |  | $ | — |
Interest income (expense), net and other | 5,859 |  |  | 5,697 |  |  | (166) |
Unrealized loss on marketable securities | (8,989) |  |  | (530) |  |  | (456) |
Foreign exchange gain | 223 |  |  | 423 |  |  | 2,058 |
Unrealized gain (loss) on investments | — |  |  | 15,472 |  |  | (16,808) |
Realized gain on convertible note | — |  |  | 1,430 |  |  | — |
Realized gain on maturities of marketable securities | 2,310 |  |  | 1,141 |  |  | — |
Other income (loss) | $ | (597) |  |  | $ | 13,142 |  |  | $ | (15,372) |
Schedule of Accounts Payable and Accrued Liabilities | The components of accounts payable and accrued liabilities are as follows:
| December 31,
| 2024 |  | 2023
Mine closure redundancy | $ | 9,169 |  |  | $ | — |
Accounts payable | 7,508 |  |  | 1,006 |
Accrued payroll liabilities | 6,558 |  |  | 4,162 |
Accrued operating expenses | 6,507 |  |  | 4,391 |
Accrued taxes | 1,673 |  |  | 393 |
Deferred revenue | 813 |  |  | — |
Accrued capital expenditures | — |  |  | 205 |
Other accrued liabilities | — |  |  | 4 |
Total accounts payable and accrued liabilities | $ | 32,228 |  |  | $ | 10,161 |

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- Definition Tabular disclosure of the (a) carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business (accounts payable); (b) other payables; and (c) accrued liabilities. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). An alternative caption includes accrued expenses. + References No definition available. + Details
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