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Note 2 - Inventories - Components of Inventories (Details) - USD ($)
$ in Thousands
Sep. 30, 2025
Dec. 31, 2024
Raw materials $ 48,315 $ 54,024
Work-in-process 1,329 1,008
Finished goods 21,973 22,204
Supplies 2,904 2,534
Total inventories $ 74,521 $ 79,770