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Note 10 - Inventories - Summary of Inventories (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Finished goods $ 25,854 $ 26,810
Raw materials, equipment spares and consumables 99,011 102,395
Work-in progress 18,460 24,513
Total $ 143,325 $ 153,718