Annual report pursuant to Section 13 and 15(d)

Equity Instruments - Warrants, Fair Value Assumptions (Details)

v3.22.1
Equity Instruments - Warrants, Fair Value Assumptions (Details)
Dec. 31, 2021
alternative_energy_credit
Dec. 31, 2020
Redeemable convertible preferred stock warrants    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrants term   10 years
Redeemable convertible preferred stock warrants | Expected volatility    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrant, measurement input   1.080
Redeemable convertible preferred stock warrants | Expected volatility | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrant, measurement input   0.350
Redeemable convertible preferred stock warrants | Expected volatility | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrant, measurement input   0.450
Redeemable convertible preferred stock warrants | Risk-free interest rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrant, measurement input   0.009
Redeemable convertible preferred stock warrants | Risk-free interest rate | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrant, measurement input   0.001
Redeemable convertible preferred stock warrants | Risk-free interest rate | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrant, measurement input   0.008
Redeemable convertible preferred stock warrants | Dividend yield    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrant, measurement input   0
Common stock warrants    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrants term 4 years 9 months  
Common stock warrants | Current stock price    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrant, measurement input 7.81  
Common stock warrants | Expected volatility    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrant, measurement input 0.405  
Common stock warrants | Risk-free interest rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrant, measurement input 0.012  
Common stock warrants | Dividend yield    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrant, measurement input 0