Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation - Stock Option Activity (Details)

v3.21.2
Stock-based Compensation - Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2021
Dec. 31, 2020
Number of Shares    
Beginning balance - Outstanding (shares) 830,343  
Granted (shares) 797,050  
Forfeited/Cancelled (shares) (20,313)  
Ending balance - Outstanding (shares) 1,607,080 830,343
Exercisable (shares) 576,904  
Vested or expected to vest (shares) 1,607,080  
Weighted- Average Exercise Price    
Beginning balance - Outstanding (in dollars per share) $ 21.52  
Granted (in dollars per share) 7.39  
Forfeited/Cancelled (in dollars per share) 6.72  
Ending balance - Outstanding (in dollars per share) 14.70 $ 21.52
Exercisable (in dollars per share) 26.62  
Vested or expected to vest (in dollars per share) $ 14.70  
Weighted- Average Remaining Contractual Life (in years)    
Balance - Outstanding 8 years 4 months 13 days 7 years 8 months 15 days
Exercisable 6 years 9 months 14 days  
Vested or expected to vest 8 years 4 months 13 days  
Aggregate Intrinsic Value ($000)    
Balance - Outstanding $ 175 $ 96
Exercisable 18  
Vested and expected to vest $ 175