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Stock-Based Compensation - Assumptions (Details) - shares
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Options to purchase common stock    
Stock Based Compensation    
Options granted (in shares) 221,000  
Valuation of Stock Option Grants to Employees    
Expected term (years)   10 years
Expected volatility   55.33%
Expected volatility, minimum 55.91%  
Expected volatility, maximum 62.30%  
Expected dividend yield 0.00% 0.00%
Risk free interest rate   1.13%
Risk free interest rate, minimum 1.62%  
Risk free interest rate, maximum 1.78%  
Options to purchase common stock | Minimum    
Valuation of Stock Option Grants to Employees    
Expected term (years) 5 years 1 month 13 days  
Options to purchase common stock | Maximum    
Valuation of Stock Option Grants to Employees    
Expected term (years) 10 years  
Non-employee stock options    
Stock Based Compensation    
Options granted (in shares) 28,053