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Inventories (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Stockpiles - underground mine	$ 597
Concentrates	3,271	$ 2,048
Dore, net	653	452
Subtotal - product inventories	4,521	2,500
Materials and supplies	8,979	7,861
Total	13,500	10,361
Materials and supplies
Inventory reserve	$ 100	$ 400

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Dore inventory.

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Ore Stockpiles Underground Mine

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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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