Annual report pursuant to Section 13 and 15(d)

Property, plant and equipment (Details)

v3.20.4
Property, plant and equipment (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Property, plant and equipment    
Total property, plant and equipment $ 138,762 $ 124,717
Less accumulated depreciation (74,442) (66,273)
Net property, plant and equipment 64,320 58,444
Land    
Property, plant and equipment    
Total property, plant and equipment 2,378 2,378
Land improvements    
Property, plant and equipment    
Total property, plant and equipment 4,830 4,541
Leasehold Improvements    
Property, plant and equipment    
Total property, plant and equipment 4,087 4,087
Buildings    
Property, plant and equipment    
Total property, plant and equipment 29,580 28,715
Machinery and equipment    
Property, plant and equipment    
Total property, plant and equipment 61,154 55,238
Furniture and fixtures    
Property, plant and equipment    
Total property, plant and equipment 19,782 17,918
Mobile equipment and other    
Property, plant and equipment    
Total property, plant and equipment 5,200 5,285
Construction-in-process    
Property, plant and equipment    
Total property, plant and equipment $ 11,751 $ 6,555