Quarterly report pursuant to Section 13 or 15(d)

Basis of presentation, summary of significant policies (Schedule of Reconciliation of Numerator and Denominator) (Details)

v3.21.2
Basis of presentation, summary of significant policies (Schedule of Reconciliation of Numerator and Denominator) (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Basic and diluted income (loss) per share:        
Net income (loss) $ 19,337 $ (10,590) $ 26,867 $ (14,867)
Basic weighted average number of shares outstanding 88,681,338 34,528,836 85,937,612 31,591,846
Add:        
Options to purchase common stock 10,627 10,697
Unvested restricted stock awards 546,880 550,759
Convertible Series B preferred shares 2,199 2,403
Diluted weighted average number of shares outstanding 89,241,044 34,528,836 86,501,471 31,591,846
Basic net income (loss) per share $ 0.22 $ (0.31) $ 0.31 $ (0.47)
Diluted net income (loss) per share $ 0.22 $ (0.31) $ 0.31 $ (0.47)