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Note 7 - Inventories - Inventories (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Raw materials $ 36,596 $ 29,469
Work in process and sub-assemblies 50,446 41,528
Finished goods 11,139 21,519
Total inventories $ 98,181 $ 92,516