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Note 2 - Detail of Certain Balance Sheet Accounts: Schedule of Inventory, Current (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Details    
Inventory, Finished Goods, Net of Reserves $ 1,896 $ 1,468
Inventory, Work in Process, Gross 1,193 1,398
Inventory, Raw Materials, Gross 5,725 3,730
Inventories (note 2) $ 8,814 $ 6,596