Quarterly report pursuant to Section 13 or 15(d)

Stock Based Compensation - Schedule Of Share-Based Compensation (Details)

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Stock Based Compensation - Schedule Of Share-Based Compensation (Details) - Restricted Stock - $ / shares
9 Months Ended 12 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Number of Unvested Restricted Shares    
Unvested shares beginning balance (in shares) 1,914,782 221,241
Granted (in shares) 128,205 2,401,446
Vested (in shares) (914,782) (660,738)
Forfeited (in shares) 0 (47,167)
Unvested shares ending balance (in shares) 1,128,205 1,914,782
Weighted Average Grant-Date Fair Value    
Unvested shares at beginning of period (in USD per share) $ 1.21 $ 22.43
Granted (in USD per share) 3.90 0.98
Vested (in USD per share) 1.52 5.32
Forfeited (in USD per share) 0 3.28
Unvested shares at end of period (in USD per share) $ 1.27 $ 1.21