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Property and Equipment, Net - Schedule of Property and Equipment (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 6,300 $ 6,299
Less accumulated depreciation (4,185) (4,050)
Property and equipment, net 2,115 2,249
Land [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 1,033 1,033
Buildings [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 4,012 4,012
Land Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 641 641
Computers and Software [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 379 378
Office Furniture and Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 224 224
Vehicles and Other [Member]    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 11 $ 11