Quarterly report pursuant to Section 13 or 15(d)

Restricted Common Stock, Stock Options, Restricted Stock Units (RSUs) and Warrants (Schedule of Restricted Stock) (Details)

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Restricted Common Stock, Stock Options, Restricted Stock Units (RSUs) and Warrants (Schedule of Restricted Stock) (Details)
 9 Months Ended
Sep. 30, 2021
$ / shares
shares
Unvested Performance-Based Restricted Stock [Member]  
Number of Shares  
Unvested at January 1, 2021 | shares
Vested | shares (319,027)
Granted | shares 3,925,000
Unvested at September 30, 2021 | shares 3,605,973
Weighted Average Grant-Date Fair value  
Unvested at January 1, 2021 | $ / shares
Vested | $ / shares 36.83
Granted | $ / shares 36.83
Unvested at September 30, 2021 | $ / shares $ 36.83
Unvested Time-Based Restricted Stock [Member]  
Number of Shares  
Unvested at January 1, 2021 | shares 633,305
Vested | shares (188,849)
Granted | shares 173,737
Forfeited | shares (150)
Unvested at September 30, 2021 | shares 618,043
Weighted Average Grant-Date Fair value  
Unvested at January 1, 2021 | $ / shares $ 1.27
Vested | $ / shares 14.44
Granted | $ / shares 33.33
Forfeited | $ / shares 44.64
Unvested at September 30, 2021 | $ / shares $ 6.31