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Condensed Consolidated Statements of Stockholders' Equity - USD ($)
shares in Thousands, $ in Thousands
Total
Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive (Loss) Income
Accumulated Deficit
Beginning Balances at Dec. 31, 2021 $ 222,374 $ 123 $ 1,441,868 $ (2,266) $ (1,217,351)
Beginning Balances (in shares) at Dec. 31, 2021   122,945      
Issuance of common stock upon exercise of stock options, shares   155      
Issuance of common stock upon exercise of stock options 1,122 $ 0 1,122    
Issuance of common stock upon release of restricted stock awards, shares   1,236      
Issuance of common stock upon release of restricted stock awards   $ 1 (1)    
Issuance of common stock upon exercise of warrants (Shares)   1,879      
Issuance of common stock upon exercise of warrants 24,670 $ 2 24,668    
Issuance of common stock under Employee Stock Purchase Plan 710   710    
Issuance of common stock under Employee Stock Purchase Plan (in shares)   82      
Stock compensation expense 7,646   7,646    
Total other comprehensive income (Loss) (1,897)     (1,897)  
Net (loss) income 32,859       32,859
Ending Balances at Mar. 31, 2022 287,484 $ 126 1,476,013 (4,163) (1,184,492)
Ending Balances (in shares) at Mar. 31, 2022   126,297      
Beginning Balances at Dec. 31, 2022 581,013 $ 128 1,510,518 (5,438) (924,195)
Beginning Balances (in shares) at Dec. 31, 2022   127,604      
Issuance of common stock upon exercise of stock options, shares   41      
Issuance of common stock upon exercise of stock options 239   239    
Issuance of common stock upon release of restricted stock awards, net of statutory tax withholdings (5,237)   (5,237)    
Issuance of common stock upon release of restricted stock awards, net of statutory tax withholdings(share)   746      
Issuance of common stock under Employee Stock Purchase Plan 777   777    
Issuance of common stock under Employee Stock Purchase Plan (in shares)   81      
Stock compensation expense 10,034   10,034    
Total other comprehensive income (Loss) 1,238     1,238  
Net (loss) income (24,332)       (24,332)
Ending Balances at Mar. 31, 2023 $ 563,732 $ 128 $ 1,516,331 $ (4,200) $ (948,527)
Ending Balances (in shares) at Mar. 31, 2023   128,472