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Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands
Total
Common Stock
Preferred Stock
Additional Paid-in Capital
Accumulated Other Comprehensive (Loss) Income
Accumulated Deficit
Beginning Balances at Dec. 31, 2020 $ 58,693 $ 110 $ 0 $ 1,352,374 $ 273 $ (1,294,064)
Beginning Balances (in shares) at Dec. 31, 2020   110,190,000 4,000      
Conversion of Preferred Stock   $ 4 $ 0 (4)    
Stock Issued During Period, Shares, Conversion of Convertible Securities   4,140,000 (4,000)      
Issuance of common stock upon exercise of stock options   1,035,000        
Issuance of common stock upon release of restricted stock awards   525,000        
Issuance Of Common Stock Upon Release Of Restricted Stock Awards (107)     (107)    
Issuance of common stock upon exercise of stock options 6,684 $ 2   6,682    
Issuance of common stock, net of issuance costs, in conjunction with an underwritten public offering and an At Market Sales Agreement (Shares)   2,879,000        
Issuance of common stock, net of issuance costs, in conjunction with an underwritten public offering and an At Market Sales Agreement 28,156 $ 3 $ 0 28,153    
Issuance of common stock under Employee Stock Purchase Plan 841     841    
Issuance of common stock under Employee Stock Purchase Plan (in shares)   217,000        
Issuance of common stock upon exercise of warrants (Shares)   3,959,000        
Issuance of common stock upon exercise of warrants 59,888 $ 4 0 59,884    
Issuance of capped call options (see Note 10) (27,240)     (27,240)    
Stock compensation expense 21,285     21,285    
Total other comprehensive income (loss) (2,539)       (2,539)  
Net (loss) income 76,713         76,713
Ending Balances at Dec. 31, 2021 222,374 $ 123 0 1,441,868 (2,266) (1,217,351)
Ending Balances (in shares) at Dec. 31, 2021   122,945,000        
Issuance of common stock upon exercise of stock options   1,194,000        
Issuance of common stock upon release of restricted stock awards   1,432,000        
Issuance Of Common Stock Upon Release Of Restricted Stock Awards   $ 1   (1)    
Issuance of common stock upon exercise of stock options 9,640 $ 2 0 9,638    
Issuance of common stock under Employee Stock Purchase Plan 1,430     1,430    
Issuance of common stock under Employee Stock Purchase Plan (in shares)   154,000        
Issuance of common stock upon exercise of warrants (Shares)   1,879,000        
Issuance of common stock upon exercise of warrants 24,670 $ 2 0 24,668    
Stock compensation expense 32,915     32,915    
Total other comprehensive income (loss) (3,172)       (3,172)  
Net (loss) income 293,156         293,156
Ending Balances at Dec. 31, 2022 581,013 $ 128 0 1,510,518 (5,438) (924,195)
Ending Balances (in shares) at Dec. 31, 2022   127,604,000        
Issuance of common stock upon exercise of stock options   850,000        
Issuance of common stock upon exercise of stock options 6,361 $ 1 0 6,360    
Issuance of common stock upon release of restricted stock awards   915,000        
Issuance of common stock upon release of restricted stock awards, net of statutory tax withholdings (6,370) $ 1   (6,371)    
Issuance of common stock under Employee Stock Purchase Plan 1,535     1,535    
Issuance of common stock under Employee Stock Purchase Plan (in shares)   161,000        
Stock compensation expense 42,592     42,592    
Total other comprehensive income (loss) 3,330       3,330  
Net (loss) income (6,389)         (6,389)
Ending Balances at Dec. 31, 2023 $ 622,072 $ 130 $ 0 $ 1,554,634 $ (2,108) $ (930,584)
Ending Balances (in shares) at Dec. 31, 2023   129,530,000