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INVENTORIES - Schedule of Inventory, Current (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Inventory [Line Items]
Concentrates and work-in-progress	$ 24,628	$ 27,619
Inventory Of Ore In Stockpiles	241	351
Raw materials and consumables	4,542	4,170
Inventory, net	29,411	32,140
Current	27,331	30,772
Long term - raw materials and consumables	$ 2,080	$ 1,368

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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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Inventories not expected to be converted to cash, sold or exchanged within the normal operating cycle.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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