Quarterly report pursuant to Section 13 or 15(d)

Stock Incentive Plan (Details)

v3.21.2
Stock Incentive Plan (Details) - $ / shares
9 Months Ended 12 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Stock Incentive Plan    
Stock options outstanding, beginning 1,258,577 1,087,463
Stock options, granted 400,476 174,357
Stock options, forfeited (17,906) (3,243)
Stock options, exercised (2,913)  
Stock options outstanding, ending 1,638,234 1,258,577
Unvested options outstanding expected to vest 408,473  
Weighted average exercise price outstanding, beginning $ 4.47 $ 2.94
Weighted average exercise price, granted 6.29 14.08
Weighted average exercise price, forfeited 9.33 8.47
Weighted average exercise price, exercised 6.00  
Weighted average exercise price outstanding, ending 4.86 $ 4.47
Weighted-Average Exercise Price unvested options outstanding expected to vest $ 7.40