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Note 4 - Property and Equipment: Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Details    
Land $ 1,604 $ 1,638
Buildings and Improvements, Gross 13,539 13,907
Machinery and Equipment, Gross 18,527 17,315
Construction in Progress, Gross 19 1,413
Property, Plant and Equipment, Gross 33,689 34,273
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment (23,926) (23,722)
Property and equipment, net (notes 4 and 10) $ 9,763 $ 10,551