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Note 1 - Summary of Significant Accounting Policies - Inventories (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Raw materials $ 21,673 $ 18,492
Work in process 1,238 1,678
Finished goods 671 562
Reserves (1,144) (1,298)
Total $ 22,438 $ 19,434