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Consolidated Statements of Stockholders' (Deficit) Equity - USD ($)
$ in Thousands
Common stock
Additional paid-in capital
Accumulated other comprehensive (loss) income
Accumulated deficit
Total
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)
Balance (in shares) at Dec. 31, 2022 73,104,692        
Balance at the beginning of the period at Dec. 31, 2022 $ 72 2,305,020 4,796 (2,656,974) (347,086)
Increase (Decrease) in Stockholders' Equity          
Exercise of options (in shares) 211,561        
Exercise of options   5,655     5,655
Restricted stock vesting and issuance (in shares) 695,781        
Restricted stock vesting and issuance, net $ 1       1
Share-based compensation expense   28,815     28,815
Receivable from investor   396     396
Net loss       (138,959) (138,959)
Comprehensive income (loss)     (6,383)   (6,383)
Balance (in shares) at Mar. 31, 2023 74,012,034        
Balance at the end of the period at Mar. 31, 2023 $ 73 $ 2,339,886 $ (1,587) $ (2,795,933) $ (457,561)