Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Property and Equipment, Net and Equipment on Lease, Net (Details)

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Summary of Significant Accounting Policies - Property and Equipment, Net and Equipment on Lease, Net (Details)
12 Months Ended
Dec. 31, 2021
Equipment on lease  
Property, Plant and Equipment [Line Items]  
Estimated Useful Life 5 years
Computers and software  
Property, Plant and Equipment [Line Items]  
Estimated Useful Life 3 years
R&D lab equipment  
Property, Plant and Equipment [Line Items]  
Estimated Useful Life 5 years
Furniture and fixtures  
Property, Plant and Equipment [Line Items]  
Estimated Useful Life 5 years
Leasehold improvements  
Property, Plant and Equipment [Line Items]  
Estimated Useful Life 5 years