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Note 7 - Inventories - Inventories (Details) - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Raw materials $ 25,194 $ 25,732
Work in process and sub-assemblies 32,287 39,563
Finished goods 8,840 14,384
Total inventories $ 66,321 $ 79,679