Post-effective amendment to a registration statement that is not immediately effective upon filing

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property and Equipment (Details)

v3.21.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property and Equipment (Details)
3 Months Ended 12 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Furniture and fixtures    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Useful Life   3 years
Computer equipment    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Useful Life 3 years 3 years
Tooling    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Useful Life 3 years 3 years
Software    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Useful Life   3 years
Minimum | Equipment    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Useful Life 2 years 3 years
Minimum | Furniture and fixtures    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Useful Life 3 years  
Minimum | Software    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Useful Life 2 years  
Maximum | Equipment    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Useful Life 12 years  
Maximum | Software    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Useful Life 3 years