Annual report pursuant to Section 13 and 15(d)

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

v3.22.1
Stockholders' Equity (Restricted Stock Awards and Restricted Stock Units) (Details) - $ / shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Restricted Stock Awards and Restricted Stock Units [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares, Unvested balance 18,060,000 15,507,504 13,768,014
Weighted average grant price, Unvested balance $ 2.64 $ 2.49 $ 2.46
Restricted Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares Granted 2,330,678 1,873,072  
Number of shares, Vested (374,825) (230,000)  
Weighted average grant price, Granted $ 3.17 $ 2.57  
Weighted average grant price, Vested $ 2.69 $ 2.78  
Restricted Stock Units (RSUs) [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares Granted 1,405,842 630,126  
Number of shares, Vested (712,449) (384,958)  
Number of shares, Forfeited (96,750) (148,750)  
Weighted average grant price, Granted $ 3.92 $ 3.82  
Weighted average grant price, Vested 3.54 3.49  
Weighted average exercise price, Forfeited $ 3.49 $ 3.30