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

Related Party Transactions (Details)

v3.21.2
Related Party Transactions (Details) - USD ($)
1 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2021
Aug. 31, 2020
Jun. 30, 2021
Dec. 31, 2020
Feb. 29, 2020
Related Party Transaction [Line Items]          
Price per share   $ 10.00      
Nonrecourse Promissory Note with Officer          
Related Party Transaction [Line Items]          
Accrued interest         $ 0
Evolv Technologies Holdings, Inc.          
Related Party Transaction [Line Items]          
Number of shares on exercise of options     5,523,538 3,236,374  
Exercise price of stock option     $ 0.12 $ 0.14  
Evolv Technologies Holdings, Inc. | Nonrecourse Promissory Note with Officer          
Related Party Transaction [Line Items]          
Promissory note $ 400,000 $ 400,000      
Number of shares on exercise of options   3,888,889      
Exercise price of stock option   $ 0.09      
Accrued interest   $ 0      
Number of shares repurchased during period 115,565        
Price per share $ 3.04   $ 3.04