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Note 5 - Inventories - Inventories (Details) - USD ($)
Sep. 30, 2024
Dec. 31, 2023
Raw materials $ 10,466,000 $ 10,470,000
Work in process 2,669,000 2,236,000
Finished goods 7,942,000 7,425,000
Inventory, Net $ 21,077,000 $ 20,131,000