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

Related Party Transactions (Details)

v3.21.2
Related Party Transactions (Details) - Evolv Technologies Holdings Inc [Member] - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended
Aug. 31, 2020
Mar. 31, 2021
Dec. 31, 2020
Related Party Transaction [Line Items]      
Number of shares on exercise of options   4,137,451 3,236,374
Exercise price of stock option   $ 0.11 $ 0.14
Nonrecourse Promissory Note with Officer      
Related Party Transaction [Line Items]      
Promissory note $ 400,000    
Number of shares on exercise of options 3,888,889    
Exercise price of stock option $ 0.09    
Accrued interest $ 0