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
Sep. 30, 2022
Dec. 31, 2021
Property, plant and equipment $ 156,705 $ 149,473
Less accumulated depreciation (89,767) (82,686)
Net property, plant and equipment 66,938 66,787
Land [Member]    
Property, plant and equipment 3,969 3,969
Land Improvements [Member]    
Property, plant and equipment 5,335 5,278
Leasehold Improvements [Member]    
Property, plant and equipment 5,442 5,405
Building [Member]    
Property, plant and equipment 35,547 34,635
Machinery and Equipment [Member]    
Property, plant and equipment 70,867 68,939
Furniture and Fixtures [Member]    
Property, plant and equipment 23,316 22,275
Mobile, Equipment and Other [Member]    
Property, plant and equipment 4,910 4,737
Construction in Progress [Member]    
Property, plant and equipment $ 7,319 $ 4,235