Note 2 - Inventories (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Inventories
Raw coal	$ 14,227	$ 20,122
Saleable coal	21,902	12,013
Supplies	5,151	5,028
Total inventories	$ 41,280	$ 37,163

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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