Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Restricted Stock (Details)

v3.21.2
Stockholders' Equity - Restricted Stock (Details) - Restricted stock
6 Months Ended
Jun. 30, 2021
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Shares, Nonvested Beginning Balance | shares 3,869,896
Number of Shares, Granted | shares 919,012
Number of Shares, Vested | shares (511,707)
Number of Shares, Nonvested Ending Balance | shares 4,277,201
Weighted Average Exercise Price, Nonvested Beginning Balance | $ / shares $ 3.61
Weighted Average Grant Date Fair Value, Granted | $ / shares 2.70
Weighted Average Grant Date Fair Value, Vested | $ / shares 3.81
Weighted Average Exercise Price, Nonvested Ending Balance | $ / shares $ 3.39