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INVENTORIES - Schedule of Inventory, Current (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Inventory [Line Items]
Concentrates and work-in-progress	$ 27,660	$ 35,476
Inventory of ore in stockpiles	249	940
Consumables	1,904	4,204
Total inventories	29,813	40,620
Current	27,660	38,155
Long term	$ 2,153	$ 2,465

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