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Note 2 - Detail of Certain Balance Sheet Accounts: Schedule of Inventory, Current (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Details    
Inventory, Finished Goods, Net of Reserves $ 1,685 $ 1,896
Inventory, Work in Process, Gross 1,503 1,193
Inventory, Raw Materials, Gross 6,394 5,725
Inventories (note 2) $ 9,582 $ 8,814