Post-effective amendment to a registration statement that is not immediately effective upon filing

Property, plant and equipment Net (Details)

v3.22.1
Property, plant and equipment Net (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Property, Plant and Equipment [Line Items]    
Property, plant and equipment $ 37,533 $ 33,333
Accumulated depreciation (29,792) (28,500)
Property, plant and equipment, net 7,741 4,833
Property, Plant and Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment 34,149 30,159
Furniture and Fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment 708 705
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment $ 2,676 $ 2,469