Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Restricted Stock Awards and Restricted Stock Units) (Details)

v3.21.2
Stockholders' Equity (Restricted Stock Awards and Restricted Stock Units) (Details) - $ / shares
6 Months Ended
Jun. 30, 2021
Dec. 31, 2020
Restricted Stock Awards and Restricted Stock Units [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of shares, Unvested balance 18,437,513 15,507,504
Weighted average grant price, Unvested balance $ 2.66 $ 2.49
Restricted Stock [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of shares Granted 2,330,678  
Number of shares, Vested (236,668)  
Weighted average grant price, Granted $ 3.17  
Weighted average grant price, Vested $ 2.75  
Restricted Stock Units (RSUs) [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of shares Granted 1,112,666  
Number of shares, Vested (197,917)  
Number of shares, Forfeited (78,750)  
Weighted average grant price, Granted $ 4.13  
Weighted average grant price, Vested 3.48  
Weighted average exercise price, Forfeited $ 3.47