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CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS’ EQUITY - USD ($)
shares in Thousands, $ in Thousands
Total
Common Stock
Additional Paid-In Capital
Accumulated Other Comprehensive Income (Loss)
Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2021   68,488      
Beginning balance at Dec. 31, 2021 $ 211,132 $ 68 $ 439,787 $ (287) $ (228,436)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common stock upon partial conversion of the 2023 convertible senior notes (in shares)   574      
Issuance of common stock upon partial conversion of the 2023 convertible senior notes (275)   (275)    
Partial unwind of capped calls and retirement of common stock related to the 2023 convertible senior notes (in shares)   (119)      
Partial unwind of capped calls and retirement of common stock related to the 2023 convertible senior notes 8   8    
Issuance of common stock upon exercise of stock options (in shares)   419      
Issuance of common stock upon exercise of stock options 5,358 $ 1 5,357    
Issuance of common stock upon vesting of restricted stock units (in shares)   1,044      
Issuance of common stock upon vesting of restricted stock units 2 $ 2 0    
Issuance of common stock under ESPP (in shares)   97      
Issuance of common stock under ESPP 8,338   8,338    
Stock-based compensation 129,693   129,693    
Other comprehensive income (loss) (3,814)     (3,814)  
Net loss (80,997)       (80,997)
Ending balance (in shares) at Sep. 30, 2022   70,503      
Ending balance at Sep. 30, 2022 269,445 $ 71 582,908 (4,101) (309,433)
Beginning balance (in shares) at Jun. 30, 2022   70,090      
Beginning balance at Jun. 30, 2022 244,902 $ 70 535,592 (4,534) (286,226)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common stock upon partial conversion of the 2023 convertible senior notes (in shares)   0      
Issuance of common stock upon partial conversion of the 2023 convertible senior notes (16)   (16)    
Partial unwind of capped calls and retirement of common stock related to the 2023 convertible senior notes (in shares)   0      
Partial unwind of capped calls and retirement of common stock related to the 2023 convertible senior notes 5   5    
Issuance of common stock upon exercise of stock options (in shares)   68      
Issuance of common stock upon exercise of stock options 2,353 $ 0 2,353    
Issuance of common stock upon vesting of restricted stock units (in shares)   345      
Issuance of common stock upon vesting of restricted stock units 1 $ 1 0    
Stock-based compensation 44,974   44,974    
Other comprehensive income (loss) 433     433  
Net loss (23,207)       (23,207)
Ending balance (in shares) at Sep. 30, 2022   70,503      
Ending balance at Sep. 30, 2022 269,445 $ 71 582,908 (4,101) (309,433)
Beginning balance (in shares) at Dec. 31, 2022   71,047      
Beginning balance at Dec. 31, 2022 309,965 $ 71 635,668 (2,688) (323,086)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common stock upon partial conversion of the 2023 convertible senior notes (in shares)   2      
Issuance of common stock upon partial conversion of the 2023 convertible senior notes 0        
Partial unwind of capped calls and retirement of common stock related to the 2023 convertible senior notes (in shares)   (371)      
Partial unwind of capped calls and retirement of common stock related to the 2023 convertible senior notes 74,453   74,453    
Issuance of common stock upon exercise of stock options (in shares)   436      
Issuance of common stock upon exercise of stock options 8,315 $ 0 8,315    
Issuance of common stock upon vesting of restricted stock units (in shares)   1,378      
Issuance of common stock upon vesting of restricted stock units 1 $ 2 (1)    
Issuance of common stock under ESPP (in shares)   204      
Issuance of common stock under ESPP 9,444   9,444    
Stock-based compensation 159,208   159,208    
Other comprehensive income (loss) 1,890     1,890  
Net loss (69,406)       (69,406)
Ending balance (in shares) at Sep. 30, 2023   72,696      
Ending balance at Sep. 30, 2023 493,870 $ 73 887,087 (798) (392,492)
Beginning balance (in shares) at Jun. 30, 2023   72,180      
Beginning balance at Jun. 30, 2023 458,799 $ 72 832,197 (1,397) (372,073)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common stock upon exercise of stock options (in shares)   57      
Issuance of common stock upon exercise of stock options 1,334   1,334    
Issuance of common stock upon vesting of restricted stock units (in shares)   459      
Issuance of common stock upon vesting of restricted stock units   $ 1 (1)    
Stock-based compensation 53,557   53,557    
Other comprehensive income (loss) 599     599  
Net loss (20,419)       (20,419)
Ending balance (in shares) at Sep. 30, 2023   72,696      
Ending balance at Sep. 30, 2023 $ 493,870 $ 73 $ 887,087 $ (798) $ (392,492)