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Note 4 - Inventory - Carrying Values of Inventory (Details) - USD ($)
$ in Thousands
Sep. 30, 2024
Dec. 31, 2023
Finished goods $ 7,914 $ 16,235
Work in process 748 611
Raw materials and supplies 22,732 25,532
Inventory, Gross 31,394 42,378
LIFO reserve (6,516) (9,400)
Total inventory $ 24,878 $ 32,978