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Note 4 - Property & Equipment - Property & Equipment (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Property and equipment, gross $ 54,340 $ 52,274
Less accumulated depreciation (36,939) (36,215)
Property and equipment, net 17,401 16,059
Land [Member]    
Property and equipment, gross 7,715 5,052
Land Improvements [Member]    
Property and equipment, gross 13,158 13,853
Building [Member]    
Property and equipment, gross 22,976 22,869
Machinery and Equipment [Member]    
Property and equipment, gross 9,124 10,500
Construction in Progress [Member]    
Property and equipment, gross $ 1,367 $ 0