Quarterly report pursuant to Section 13 or 15(d)

Property, Plant and Equipment (Schedule of Property, Plant and Equipment) (Details)

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Property, Plant and Equipment (Schedule of Property, Plant and Equipment) (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Property, Plant and Equipment [Line Items]    
Total property, plant and equipment $ 15,368 $ 25,466
Less: Accumulated depreciation (8,514) (12,446)
Property, plant and equipment, net 6,854 13,020
Computer equipment    
Property, Plant and Equipment [Line Items]    
Total property, plant and equipment $ 595 739
Useful Life (Years) 3 years  
Furniture and fixtures    
Property, Plant and Equipment [Line Items]    
Total property, plant and equipment $ 1,017 1,387
Useful Life (Years) 5 years  
Machinery & equipment    
Property, Plant and Equipment [Line Items]    
Total property, plant and equipment $ 0 8,632
Useful Life (Years) 5 years  
Leasehold improvements    
Property, Plant and Equipment [Line Items]    
Total property, plant and equipment $ 13,175 13,175
Useful Life (Years) 15 years  
Buildings    
Property, Plant and Equipment [Line Items]    
Total property, plant and equipment $ 581 581
Useful Life (Years) 40 years  
Construction in progress    
Property, Plant and Equipment [Line Items]    
Total property, plant and equipment $ 0 $ 952