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SUPPLEMENTAL FINANCIAL INFORMATION (Tables)

3 Months Ended

Mar. 31, 2025

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Other Nonoperating Income (Expense)

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

Schedule of Accounts Payable and Accrued Liabilities

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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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.

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Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items.

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