Quarterly report pursuant to Section 13 or 15(d)

Equity Instruments - Warrants, Narrative (Details)

v3.21.2
Equity Instruments - Warrants, Narrative (Details)
 9 Months Ended 12 Months Ended
Sep. 30, 2021
$ / shares
$ / warrant
shares
Dec. 31, 2020
$ / shares
$ / warrant
shares
Dec. 02, 2020
$ / shares
$ / warrant
shares
Sep. 30, 2020
Class of Warrant or Right [Line Items]        
Warrants term       2 months 12 days
Exercise price of warrants (in usd per share) | $ / shares $ 11.50      
Warrants, exercisable, period after completion of Merger 30 days      
Warrants, exercisable, period from closing of IPO 12 months      
Common stock warrants        
Class of Warrant or Right [Line Items]        
Number of warrants (in shares) 13,075,000 214,033    
Warrants, conversion ratio 1      
Redeemable convertible preferred stock warrants        
Class of Warrant or Right [Line Items]        
Number of warrants (in shares)   173,362    
Stock converted (in shares)   243,195    
Series A redeemable convertible preferred stock        
Class of Warrant or Right [Line Items]        
Warrants term 2 months 12 days     1 year 7 months 6 days
Number of warrants (in shares)   13,362    
Warrants, conversion ratio 0.4591      
Fair Value on Issue Date per warrant (in usd per warrant) | $ / warrant   1.25    
Exercise price of warrants (in usd per share) | $ / shares   $ 1.12    
Fair value of warrants (in usd per warrant) | $ / warrant 9.23      
Series C redeemable convertible preferred stock        
Class of Warrant or Right [Line Items]        
Warrants term 2 months 12 days     9 years
Number of warrants (in shares)   160,000    
Warrants, conversion ratio 0.4216      
Fair Value on Issue Date per warrant (in usd per warrant) | $ / warrant   1.05    
Exercise price of warrants (in usd per share) | $ / shares   $ 5.52    
Fair value of warrants (in usd per warrant) | $ / warrant 8.35      
Private placement warrants        
Class of Warrant or Right [Line Items]        
Number of warrants (in shares) 4,450,000   4,450,000  
Fair Value on Issue Date per warrant (in usd per warrant) | $ / warrant     2.00  
Exercise price of warrants (in usd per share) | $ / shares     $ 11.50  
Public warrants        
Class of Warrant or Right [Line Items]        
Warrants term 5 years      
Number of warrants (in shares) 8,625,000   34,500,000  
Fair Value on Issue Date per warrant (in usd per warrant) | $ / warrant 3.30   10.00  
Exercise price of warrants (in usd per share) | $ / shares $ 11.50   $ 11.50  
Expected volatility | Minimum | Redeemable convertible preferred stock warrants        
Class of Warrant or Right [Line Items]        
Warrant, measurement input 0.300     0.350
Expected volatility | Maximum | Redeemable convertible preferred stock warrants        
Class of Warrant or Right [Line Items]        
Warrant, measurement input 0.400     0.450
Risk-free interest rate | Minimum | Redeemable convertible preferred stock warrants        
Class of Warrant or Right [Line Items]        
Warrant, measurement input 0.001     0.001
Risk-free interest rate | Maximum | Redeemable convertible preferred stock warrants        
Class of Warrant or Right [Line Items]        
Warrant, measurement input 0.010     0.008