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Stock-Based Compensation - Summary of Stock Options Activity (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]    
Number of Options, Outstanding 2,538,411 304,142
Number of Options, Granted 936,000 2,235,285
Number of Options, Exercised   (1,016)
Number of Options, Outstanding 3,474,411 2,538,411
Number of Options, Vested and expected to vest 3,170,269  
Number of Options, Exercisable 800,778  
Weighted average exercise price per share, Outstanding $ 4.67 $ 5.58
Weighted average exercise price per share, Granted 12.89 4.67
Weighted average exercise price per share, Exercised   1.95
Weighted average exercise price per share, Outstanding 6.88 $ 4.67
Weighted average exercise price per share, Vested and expected to vest 7.03  
Weighted average exercise price per share, Exercisable $ 3.38  
Weighted average remaining contractual term (in years), Outstanding 8 years 10 months 24 days 8 years 9 months 18 days
Weighted average remaining contractual term (in years), Vested and expected to vest 9 years 4 months 24 days  
Weighted average remaining contractual term (in years), Exercisable 6 years 8 months 12 days  
Aggregate intrinsic value, Outstanding $ 20,009,769  
Aggregate intrinsic value, Outstanding 5,392,883 $ 20,009,769
Aggregate intrinsic value, Vested and expected to vest 5,185,488  
Aggregate intrinsic value, Exercisable $ 2,227,144