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Note 2 - Detail of Certain Balance Sheet Accounts: Schedule of Inventory, Current (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Details    
Inventory, Finished Goods, Net of Reserves $ 1,708 $ 1,615
Inventory, Work in Process, Gross 1,022 1,103
Inventory, Raw Materials, Gross 4,183 2,694
Inventories (note 2) $ 6,913 $ 5,412