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Property, Plant and Equipment, net (Details) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 58,374 $ 56,491
Less accumulated depreciation (36,234) (35,586)
Total property, plant and equipment, net 22,140 20,905
Land [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 1,565 1,565
Building and Building Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 19,356 19,341
Machinery and Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 32,786 32,786
Vehicles [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 712 640
Office Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 1,024 979
Construction in Progress [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 2,931 $ 1,180