Quarterly report [Sections 13 or 15(d)]

Note 6 - Property, Plant and Equipment - Summary of Property, Plant and Equipment (Details)

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Note 6 - Property, Plant and Equipment - Summary of Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Property, plant and equipment $ 145,785 $ 142,583
Less accumulated depreciation (99,841) (97,819)
Property, plant and equipment, net 45,944 44,764
Land [Member]    
Property, plant and equipment 162 162
Land Improvements [Member]    
Property, plant and equipment 245 140
Leasehold Improvements [Member]    
Property, plant and equipment 9,391 9,269
Building [Member]    
Property, plant and equipment 2,958 2,958
Machinery and Equipment [Member]    
Property, plant and equipment 90,390 90,139
Furniture and Fixtures [Member]    
Property, plant and equipment 29,123 28,413
Mobile, Equipment and Other [Member]    
Property, plant and equipment 6,219 5,990
Construction in Progress [Member]    
Property, plant and equipment $ 7,297 $ 5,512