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Consolidated Statements of Changes in Stockholders' Equity - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-In Capital
Warrants
Treasury Stock
Other Comprehensive Income (Loss)
Accumulated Deficit
Common stock, beginning balance (in shares) at Dec. 31, 2023   293,594,209          
Beginning balance at Dec. 31, 2023 $ 160,174 $ 2,918 $ 2,836,018 $ 71   $ 5,241 $ (2,684,074)
Increase (Decrease) in Stockholders' Equity              
Stock options exercised, net (in shares)   444,497          
Stock options exercised, net 3,454 $ 4 3,450        
Vesting of restricted stock units, net of taxes (in shares)   2,120,711          
Vesting of restricted stock units, net of taxes (16,721)   (16,721)        
Stock-based compensation 30,803   30,803        
Unrealized gain (loss) on available-for-sale securities (15)         (15)  
Foreign currency translation adjustment 1,418         1,418  
Net loss (48,419)           (48,419)
Common stock, ending balance (in shares) at Mar. 31, 2024   296,159,417          
Ending balance at Mar. 31, 2024 $ 130,694 $ 2,922 2,853,550 71   6,644 (2,732,493)
Common stock, beginning balance (in shares) at Dec. 31, 2024 299,041,653 299,041,653          
Beginning balance at Dec. 31, 2024 $ 194,045 $ 2,944 2,926,115 71 $ 0 5,095 (2,740,180)
Treasury stock at beginning of period (in shares) at Dec. 31, 2024         0    
Increase (Decrease) in Stockholders' Equity              
Stock options exercised, net (in shares) 12,000 11,944          
Stock options exercised, net $ 106 $ 1 105        
Vesting of restricted stock units, net of taxes (in shares)   1,747,257          
Vesting of restricted stock units, net of taxes (11,790)   (11,790)        
Stock-based compensation 25,172   25,172        
Warrants exercised (in shares)   7,129,605          
Warrants exercised 0 $ 71   (71)      
Treasury stock (in shares)   (7,390)     (7,390)    
Treasury stock 0   71   $ (71)    
Unrealized gain (loss) on available-for-sale securities 72         72  
Foreign currency translation adjustment 7,639         7,639  
Net loss $ (21,686)           (21,686)
Common stock, ending balance (in shares) at Mar. 31, 2025 307,923,069 307,923,069          
Ending balance at Mar. 31, 2025 $ 193,558 $ 3,016 $ 2,939,673 $ 0 $ (71) $ 12,806 $ (2,761,866)
Treasury stock at end of period (in shares) at Mar. 31, 2025 7,390       7,390