Quarterly report pursuant to Section 13 or 15(d)

Property, Plant and Equipment (Details)

v3.21.2
Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Property, Plant and Equipment [Line Items]    
Total property, plant and equipment, gross $ 103,869 $ 106,150
Less: accumulated depreciation and amortization (74,178) (71,054)
Property, plant and equipment, net 29,691 35,096
Land    
Property, Plant and Equipment [Line Items]    
Total property, plant and equipment, gross 3 3
Leasehold improvements    
Property, Plant and Equipment [Line Items]    
Total property, plant and equipment, gross 2,979 2,939
Buildings    
Property, Plant and Equipment [Line Items]    
Total property, plant and equipment, gross 0 84
Machinery, fixtures and equipment    
Property, Plant and Equipment [Line Items]    
Total property, plant and equipment, gross 99,419 100,352
Construction-in-progress    
Property, Plant and Equipment [Line Items]    
Total property, plant and equipment, gross $ 1,468 $ 2,772