Quarterly report pursuant to Section 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
Jun. 30, 2022
Dec. 31, 2021
Property, plant and equipment $ 153,339 $ 149,473
Less accumulated depreciation (87,168) (82,686)
Net property, plant and equipment 66,171 66,787
Land [Member]    
Property, plant and equipment 3,969 3,969
Land Improvements [Member]    
Property, plant and equipment 5,330 5,278
Leasehold Improvements [Member]    
Property, plant and equipment 5,423 5,405
Building [Member]    
Property, plant and equipment 35,226 34,635
Machinery and Equipment [Member]    
Property, plant and equipment 69,729 68,939
Furniture and Fixtures [Member]    
Property, plant and equipment 22,878 22,275
Mobile, Equipment and Other [Member]    
Property, plant and equipment 4,863 4,737
Construction in Progress [Member]    
Property, plant and equipment $ 5,921 $ 4,235