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Note 10 - Inventories - Summary of Inventories (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Finished goods $ 34,899 $ 0
Raw materials, equipment spares and consumables 76,025 42,995
Work-in progress 14,192 10,364
Total $ 125,116 $ 53,359