Annual report pursuant to Section 13 and 15(d)

Compensation Plans - Summary of Stock Option Activity (Details)

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Compensation Plans - Summary of Stock Option Activity (Details) - $ / shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Number of Options    
Outstanding at beginning of period (in shares) 1,373,972 629,773
Granted (in shares) 4,789,317 949,126
Exercised (in shares) (101,066) 0
Forfeited (in shares) (743,305) (204,927)
Outstanding at end of period (in shares) 5,318,918 1,373,972
Outstanding at beginning of period (in dollars per share) $ 5.47 $ 8.98
Granted (in dollars per share) 3.14 3.72
Exercised (in shares) 2.40 0
Forfeited (in dollars per share) 4.30 6.94
Outstanding at end of period (in dollars per share) $ 3.59 $ 5.47