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INVENTORIES (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2025	Dec. 31, 2024
Inventories
Material on leach pads		$ 28,498	$ 13,453
In-process inventory		3,703	2,551
Stockpiles		4,720	1,112
Precious metals		768	2,312
Materials and supplies		7,377	6,517
Inventories		45,066	25,945
Less: long-term portion		15,552	7,834
Current portion		$ 29,514	$ 18,111
Black Fox Complex
Inventories
Inventory write-down	$ 1,300
Black Fox Complex | Production costs applicable to sales
Inventories
Inventory write-down	1,000
Black Fox Complex | Depreciation and depletion
Inventories
Inventory write-down	$ 300

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- Definition

Represents the carrying amount, net of reserves and adjustments, as of the balance sheet date, of ore on leach pads.

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Carrying amount, net of reserves and adjustments, as of the balance sheet date, of ore stockpiled.

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Amount of inventory reserves for last-in first-out (LIFO) and other inventory valuation methods.

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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Aggregated amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed. This amount is net of valuation reserves and adjustments.

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Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

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Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.

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