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Basis of Presentation, Summary of Significant Accounting Policies and Recent Accounting Pronouncements - Estimated useful lives (Details)
12 Months Ended
Dec. 31, 2021
Equipment  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 5 years
Company vehicles  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 5 years
Leasehold improvements  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 15 years
Furniture & fixtures  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 5 years
Computers, software and related equipment | Minimum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 3 years
Computers, software and related equipment | Maximum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 5 years