Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Summary of Stock Option Activity (Details)

v3.21.2
Stock-Based Compensation - Summary of Stock Option Activity (Details) - $ / shares
6 Months Ended 12 Months Ended
Jun. 30, 2021
Dec. 31, 2020
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]    
Number of shares, beginning balance 2,284,298  
Number of shares, Granted 1,494,875  
Number of shares, Expired/forfeited/cancelled (333,664)  
Number of shares, ending balance 3,445,509 2,284,298
Number of shares, Vested 1,161,356  
Number of shares, Vested and expected to vest 3,445,509  
Weighted average exercise price, beginning balance $ 3.10  
Weighted average exercise price, Granted 1.26  
Weighted average exercise price, Granted, Expired/forfeited/cancelled 1.71  
Weighted average exercise price, ending balance 2.44 $ 3.10
Weighted average exercise price, Vested 2.87  
Weighted average exercise price, Vested and expected to vest $ 2.44  
Weighted average remaining contractual life 8 years 6 months 9 years 1 month 6 days
Weighted average remaining contractual life, Vested 7 years 4 months 24 days  
Weighted average remaining contractual life, Vested and expected to vest 8 years 6 months