Quarterly report pursuant to Section 13 or 15(d)

Property, plant and equipment (Details)

v3.19.1
Property, plant and equipment (Details) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Property, plant and equipment    
Total property, plant and equipment $ 114,119 $ 113,508
Less accumulated depreciation (60,302) (58,313)
Net property, plant and equipment 53,817 55,195
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 4,450 4,357
Leasehold Improvements    
Property, plant and equipment    
Total property, plant and equipment 4,087 4,079
Buildings    
Property, plant and equipment    
Total property, plant and equipment 28,616 28,238
Machinery and equipment    
Property, plant and equipment    
Total property, plant and equipment 50,703 50,129
Furniture and fixtures    
Property, plant and equipment    
Total property, plant and equipment 16,457 16,360
Mobile equipment and other    
Property, plant and equipment    
Total property, plant and equipment 4,883 4,883
Construction-in-process    
Property, plant and equipment    
Total property, plant and equipment $ 2,545 $ 3,084