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Property, plant and equipment consist of the following at: (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 75,337 $ 47,362
Property, plant and equipment, net 68,245 44,597
Land [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 52 52
Land Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 238 238
Buildings [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 6,988 5,650
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 317 317
Vehicles [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 15 15
Computers And Related Software [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 60,093 30,890
Machinery and Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 4,522 2,588
Office Furniture And Fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 22 22
Construction in Progress [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 3,090 7,590
Accumulated Depreciation [Member]    
Property, Plant and Equipment [Line Items]    
Less: Accumulated depreciation $ (7,092) $ (2,765)