General form of registration statement for all companies including face-amount certificate companies

Property and Equipment, Net (Details)

v3.21.2
Property and Equipment, Net (Details) - Evolv Technologies Holdings Inc [Member] - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Property, Plant and Equipment [Line Items]        
Total property, plant and equipment $ 14,365   $ 11,843 $ 5,147
Less: Accumulated depreciation and amortization (2,979)   (2,527) (1,461)
Total property, plant and equipment, net 11,386   9,316 3,686
Depreciation and amortization expense 452 $ 172 1,065 535
Computers and telecom equipment        
Property, Plant and Equipment [Line Items]        
Total property, plant and equipment 217   217  
Computers and telecom equipment        
Property, Plant and Equipment [Line Items]        
Total property, plant and equipment     217 217
Lab equipment        
Property, Plant and Equipment [Line Items]        
Total property, plant and equipment 494   487 487
Software        
Property, Plant and Equipment [Line Items]        
Total property, plant and equipment 59   59 59
Furniture and fixtures        
Property, Plant and Equipment [Line Items]        
Total property, plant and equipment 37   37 37
Leasehold improvements        
Property, Plant and Equipment [Line Items]        
Total property, plant and equipment 95   95 95
Leased equipment        
Property, Plant and Equipment [Line Items]        
Total property, plant and equipment $ 13,463   $ 10,948 $ 4,252