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

CONSOLIDATED BALANCE SHEETS (Parenthetical)

v3.21.2
CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
Mar. 31, 2021
Dec. 31, 2020
Mar. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Convertible preferred stock, outstanding 13,669,161 14,077,350      
Evolv Technologies Holdings Inc [Member]          
Convertible preferred stock, par value (in dollars per share) $ 0.001 $ 0.001   $ 0.001  
Convertible preferred stock, shares authorized 207,390,039 207,390,039   201,898,140  
Convertible preferred stock, issued 204,703,793 204,703,793   196,217,618  
Convertible preferred stock, outstanding 204,703,793 204,703,793 204,703,793 196,217,618 114,375,397
Convertible preferred stock, liquidation preference $ 77,100,000 $ 77,100,000   $ 74,000,000  
Common stock, par value (in dollars per share) $ 0.01 $ 0.01   $ 0.01  
Common stock, shares authorized 325,991,899 305,491,899   300,000,000  
Common stock, issued 30,182,983 26,045,532   22,809,158  
Common stock, outstanding 30,182,983 26,045,532   22,809,158