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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
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)   796,202          
Stock options exercised, net 6,122 $ 7 6,115        
Vesting of restricted stock units, net of taxes (in shares)   2,608,392          
Vesting of restricted stock units, net of taxes (21,197)   (21,197)        
Stock-based compensation 65,688   65,688        
Issuance of shares in connection with at-the-market offering, net of issuance costs (in shares)   1,692,291          
Issuance of shares in connection with at-the-market offering, net of issuance costs 19,153 $ 17 19,136        
Unrealized gain (loss) on available-for-sale securities 0            
Foreign currency translation adjustment 19,730         19,730  
Net income (loss) (70,845)           (70,845)
Common stock, ending balance (in shares) at Sep. 30, 2024   298,691,094          
Ending balance at Sep. 30, 2024 178,825 $ 2,942 2,905,760 71   24,971 (2,754,919)
Common stock, beginning balance (in shares) at Jun. 30, 2024   296,428,877          
Beginning balance at Jun. 30, 2024 132,523 $ 2,923 2,868,925 71   8,794 (2,748,190)
Increase (Decrease) in Stockholders' Equity              
Stock options exercised, net (in shares)   215,653          
Stock options exercised, net 1,805 $ 2 1,803        
Vesting of restricted stock units, net of taxes (in shares)   354,273          
Vesting of restricted stock units, net of taxes (2,792)   (2,792)        
Stock-based compensation 18,688   18,688        
Issuance of shares in connection with at-the-market offering, net of issuance costs (in shares)   1,692,291          
Issuance of shares in connection with at-the-market offering, net of issuance costs 19,153 $ 17 19,136        
Unrealized gain (loss) on available-for-sale securities 9         9  
Foreign currency translation adjustment 16,168         16,168  
Net income (loss) (6,729)           (6,729)
Common stock, ending balance (in shares) at Sep. 30, 2024   298,691,094          
Ending balance at Sep. 30, 2024 $ 178,825 $ 2,942 2,905,760 71   24,971 (2,754,919)
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) 79,000 79,448          
Stock options exercised, net $ 484 $ 2 482        
Vesting of restricted stock units, net of taxes (in shares)   2,256,298          
Vesting of restricted stock units, net of taxes (13,863)   (13,863)        
Stock-based compensation 60,820   60,820        
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 154         154  
Foreign currency translation adjustment 17,584         17,584  
Net income (loss) $ (28,800)           (28,800)
Common stock, ending balance (in shares) at Sep. 30, 2025 308,499,614 308,499,614          
Ending balance at Sep. 30, 2025 $ 230,424 $ 3,017 2,973,625 0 $ (71) 22,833 (2,768,980)
Treasury stock at end of period (in shares) at Sep. 30, 2025 7,390       7,390    
Common stock, beginning balance (in shares) at Jun. 30, 2025   308,064,329          
Beginning balance at Jun. 30, 2025 $ 204,304 $ 3,016 2,956,839   $ (71) 30,806 (2,786,286)
Treasury stock at beginning of period (in shares) at Jun. 30, 2025         7,390    
Increase (Decrease) in Stockholders' Equity              
Stock options exercised, net (in shares)   60,004          
Stock options exercised, net 339 $ 1 338        
Vesting of restricted stock units, net of taxes (in shares)   375,281          
Vesting of restricted stock units, net of taxes (1,641)   (1,641)        
Stock-based compensation 18,089   18,089        
Unrealized gain (loss) on available-for-sale securities 76         76  
Foreign currency translation adjustment (8,049)         (8,049)  
Net income (loss) $ 17,306           17,306
Common stock, ending balance (in shares) at Sep. 30, 2025 308,499,614 308,499,614          
Ending balance at Sep. 30, 2025 $ 230,424 $ 3,017 $ 2,973,625 $ 0 $ (71) $ 22,833 $ (2,768,980)
Treasury stock at end of period (in shares) at Sep. 30, 2025 7,390       7,390