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Property and Equipment, Net (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Property, Plant and Equipment [Line Items]      
Total Property Plant & Equipment $ 6,754 $ 7,398  
Less accumulated depreciation and amortization (4,281) (4,518)  
Property and equipment, net 2,473 2,880  
Depreciation expense 849 905 $ 846
Equipment and computer software and hardware      
Property, Plant and Equipment [Line Items]      
Total Property Plant & Equipment 4,604 4,930  
Leasehold improvement      
Property, Plant and Equipment [Line Items]      
Total Property Plant & Equipment 503 818  
Vehicles      
Property, Plant and Equipment [Line Items]      
Total Property Plant & Equipment 820 774  
Land and improvements      
Property, Plant and Equipment [Line Items]      
Total Property Plant & Equipment 506 506  
Furniture and fixtures      
Property, Plant and Equipment [Line Items]      
Total Property Plant & Equipment $ 321 $ 370