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Stockholders' Equity - Summary of Assumptions Used to Value Stock Options Granted to Employees using Black-Scholes Option-Pricing (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Risk-free interest rate range, minimum 2.52% 0.92% 1.58% 0.48%
Risk-free interest rate range, maximum 3.22% 1.15% 3.22% 1.15%
Dividend yield 0.00% 0.00% 0.00% 0.00%
Volatility rate range, minimum 85.04% 90.34% 85.04% 88.70%
Volatility rate range, maximum 87.15% 91.19% 87.15% 91.19%
Minimum        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Expected term of options (years) 5 years 4 months 17 days 5 years 4 months 13 days 5 years 29 days 5 years 4 months 13 days
Maximum        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Expected term of options (years) 6 years 29 days 6 years 29 days 6 years 5 months 23 days 6 years 5 months 23 days