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Consolidated Statements of Stockholders' (Deficit) Equity - USD ($)
$ in Thousands
Common stock
Additional paid-in capital
Cumulative Effect Adjustment
Additional paid-in capital
AOCI Attributable to Parent
Accumulated deficit
Cumulative Effect Adjustment
Accumulated deficit
Cumulative Effect Adjustment
Total
Balance (in shares) at Dec. 31, 2020 69,718,096              
Balance at the beginning of the period at Dec. 31, 2020 $ 70 $ (175,236) $ 2,171,746 $ (60,957) $ 54,796 $ (1,628,877) $ (120,440) $ 481,982
Increase (Decrease) in Stockholders' Equity                
Exercise of options (in shares) 415,783              
Exercise of options     11,755         11,755
Restricted stock vesting and issuance (in shares) 272,026              
Share-based compensation expense     25,707         25,707
Net loss           (128,642)   (128,642)
Comprehensive income (loss)       22,214       22,214
Balance (in shares) at Mar. 31, 2021 70,405,905              
Balance at the end of the period at Mar. 31, 2021 $ 70   2,033,972 (38,743)   (1,702,723)   292,576
Balance (in shares) at Dec. 31, 2021 70,828,226              
Balance at the beginning of the period at Dec. 31, 2021 $ 71   2,123,606 (24,282)   (2,097,957)   1,438
Increase (Decrease) in Stockholders' Equity                
Exercise of options (in shares) 97,188              
Exercise of options     2,444         2,444
Restricted stock vesting and issuance (in shares) 411,627              
Share-based compensation expense     26,589         26,589
Net loss           (126,726)   (126,726)
Comprehensive income (loss)       5,674       5,674
Balance (in shares) at Mar. 31, 2022 71,337,041              
Balance at the end of the period at Mar. 31, 2022 $ 71   $ 2,152,639 $ (18,608)   $ (2,224,683)   $ (90,581)