Quarterly report pursuant to Section 13 or 15(d)

Property, plant and equipment (Details)

v3.20.1
Property, plant and equipment (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Property, plant and equipment    
Total property, plant and equipment $ 126,909 $ 124,717
Less accumulated depreciation (68,367) (66,273)
Net property, plant and equipment 58,542 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 4,541 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 28,938 28,715
Machinery and equipment    
Property, plant and equipment    
Total property, plant and equipment 55,743 55,238
Furniture and fixtures    
Property, plant and equipment    
Total property, plant and equipment 18,193 17,918
Mobile equipment and other    
Property, plant and equipment    
Total property, plant and equipment 5,323 5,285
Construction-in-process    
Property, plant and equipment    
Total property, plant and equipment $ 7,706 $ 6,555