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Consolidated Statements of Changes in Stockholders' Equity - USD ($)
$ in Thousands
Total
At-The-Market
Private Placement
Common Stock
Common Stock
At-The-Market
Common Stock
Private Placement
Additional Paid-In Capital
Additional Paid-In Capital
At-The-Market
Additional Paid-In Capital
Private Placement
Warrants
Other Comprehensive Gain (Loss)
Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2021       278,912,800                
Beginning balance at Dec. 31, 2021 $ 307,369     $ 2,808     $ 2,595,419     $ 83 $ 4,981 $ (2,295,922)
Increase (Decrease) in Stockholders' Equity                        
Stock options exercised, net (in shares) 660,000     656,377                
Stock options exercised, net $ 4,310     $ 7     4,303          
Vesting of restricted stock units, net of taxes (in shares)       1,539,096                
Vesting of restricted stock units, net of taxes (11,490)           (11,490)          
Stock-based compensation 76,512           76,512          
Unrealized (loss) gain on available-for-sale securities 154                   154  
Foreign currency translation adjustment (17,240)                   (17,240)  
Net loss (236,568)                     (236,568)
Ending balance (in shares) at Dec. 31, 2022       281,108,273                
Ending balance at Dec. 31, 2022 $ 123,047     $ 2,815     2,664,744     83 (12,105) (2,532,490)
Increase (Decrease) in Stockholders' Equity                        
Stock options exercised, net (in shares) 1,361,000     1,357,945                
Stock options exercised, net $ 10,261     $ 14     10,247          
Common stock issued (in shares)         5,244,936 2,467,104            
Common stock issued   $ 63,108 $ 29,827   $ 52 $ 25   $ 63,056 $ 29,802      
Vesting of restricted stock units, net of taxes (in shares)       2,195,851                
Vesting of restricted stock units, net of taxes (17,920)           (17,920)          
Stock-based compensation 86,077           86,077          
Warrants exercised (in shares)       1,220,100                
Warrants exercised 12     $ 12     12     (12)    
Unrealized (loss) gain on available-for-sale securities (72)                   (72)  
Foreign currency translation adjustment 17,418                   17,418  
Net loss $ (151,584)                     (151,584)
Ending balance (in shares) at Dec. 31, 2023 293,594,209     293,594,209                
Ending 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) 957,000     962,064                
Stock options exercised, net $ 7,677     $ 9     7,668          
Common stock issued (in shares)         1,732,204              
Common stock issued   $ 19,566     $ 17     $ 19,549        
Vesting of restricted stock units, net of taxes (in shares)       2,753,176                
Vesting of restricted stock units, net of taxes (22,025)           (22,025)          
Stock-based compensation 84,905           84,905          
Unrealized (loss) gain on available-for-sale securities (19)                   (19)  
Foreign currency translation adjustment (127)                   (127)  
Net loss $ (56,106)                     (56,106)
Ending balance (in shares) at Dec. 31, 2024 299,041,653     299,041,653                
Ending balance at Dec. 31, 2024 $ 194,045     $ 2,944     $ 2,926,115     $ 71 $ 5,095 $ (2,740,180)