XML 66 R47.htm IDEA: XBRL DOCUMENT v3.22.0.1
Equity Incentive Plans - Valuation Assumptions (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Stock Option    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Risk-free interest rate, minimum 0.60% 0.30%
Risk-free interest rate, maximum 1.40% 1.60%
Expected volatility, minimum 62.50% 62.20%
Expected volatility, maximum 71.40% 70.60%
Expected dividend yield $ 0 $ 0
Stock Option | Minimum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected term (in years) 6 years 5 years
Stock Option | Maximum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected term (in years) 10 years 10 years
Employee Stock    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Risk-free interest rate 0.10%  
Expected volatility, minimum 56.90%  
Expected volatility, maximum 67.40%  
Expected dividend yield $ 0  
Employee Stock | Minimum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected term (in years) 4 months 2 days  
Employee Stock | Maximum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected term (in years) 6 months