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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY (DEFICIT) - USD ($)
$ in Thousands
Total
Cumulative Effect, Period of Adoption, Adjustment
Common stock
Treasury stock
Additional paid-in-capital
Additional paid-in-capital
Cumulative Effect, Period of Adoption, Adjustment
Accumulated other comprehensive income (loss)
Accumulated deficit
Accumulated deficit
Cumulative Effect, Period of Adoption, Adjustment
Common stock, beginning balance (in shares) at Dec. 31, 2020     52,225,000            
Beginning balance at Dec. 31, 2020 $ 71,536 $ (71,441) $ 522 $ (4,764) $ 692,603 $ (99,026) $ 454 $ (617,279) $ 27,585
Treasury stock, beginning balance (in shares) at Dec. 31, 2020       487,000          
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Stock-based compensation expense 100,317       100,317        
Issuance of common stock under employee stock purchase plan (in shares)     222,000            
Issuance of common stock under employee stock purchase plan 9,276   $ 2   9,274        
Vesting of restricted stock units (in shares)     1,611,000            
Vesting of restricted stock units 0   $ 16   (16)        
Shares withheld for employee taxes (in shares)     (157,000)            
Shares withheld for employee taxes (16,044)   $ (2)   (16,042)        
Issuance of common stock upon exercise of stock options (in shares)     521,000            
Issuance of common stock upon exercise of stock options 4,306   $ 6   4,300        
Purchase of capped calls related to convertible senior notes (76,020)       (76,020)        
Issuance of common stock in connection with redemption, repurchase and conversion of convertible senior notes (in shares)     2,897,000            
Issuance of common stock in connection with redemption, repurchase and conversion of convertible senior notes (3,065)   $ 29   (3,094)        
Issuance of common stock in connection with inducement of convertible senior notes (in shares)     35,000            
Issuance of common stock in connection with inducement of convertible senior notes 2,740       2,740        
Issuance of common stock related to acquisition (in shares)     341,000            
Issuance of common stock related to acquisition 0   $ 4   (4)        
Other comprehensive income (loss) (1,266)           (1,266)    
Net loss (146,334)             (146,334)  
Common stock, ending balance (in shares) at Dec. 31, 2021     57,695,000            
Treasury stock, ending balance (in shares) at Dec. 31, 2021       487,000          
Ending balance at Dec. 31, 2021 (125,995)   $ 577 $ (4,764) 615,032   (812) (736,028)  
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Stock-based compensation expense 123,441       123,441        
Issuance of common stock under employee stock purchase plan (in shares)     218,000            
Issuance of common stock under employee stock purchase plan 11,943   $ 2   11,941        
Vesting of restricted stock units (in shares)     1,482,000            
Vesting of restricted stock units 0   $ 15   (15)        
Shares withheld for employee taxes (in shares)     (105,000)            
Shares withheld for employee taxes (7,462)   $ (1)   (7,461)        
Issuance of common stock upon exercise of stock options (in shares)     480,000            
Issuance of common stock upon exercise of stock options 3,318   $ 5   3,313        
Issuance of common stock in connection with redemption, repurchase and conversion of convertible senior notes (3)       (3)        
Issuance of common stock related to acquisition (in shares)     33,000            
Repurchase of common stock issued in relation to acquisition (in shares)     (83,000)            
Repurchase of common stock issued in relation to acquisition 0   $ (1)   1        
Other comprehensive income (loss) (599)           (599)    
Net loss $ (124,717)             (124,717)  
Common stock, ending balance (in shares) at Dec. 31, 2022 59,719,469   59,720,000            
Treasury stock, ending balance (in shares) at Dec. 31, 2022 486,808     487,000          
Ending balance at Dec. 31, 2022 $ (120,074)   $ 597 $ (4,764) 746,249   (1,411) (860,745)  
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Stock-based compensation expense 107,254       107,254        
Issuance of common stock under employee stock purchase plan (in shares)     330,000            
Issuance of common stock under employee stock purchase plan 11,323   $ 3   11,320        
Vesting of restricted stock units (in shares)     1,454,000            
Vesting of restricted stock units 0   $ 15   (15)        
Shares withheld for employee taxes (in shares)     (113,000)            
Shares withheld for employee taxes (5,570)   $ (1)   (5,569)        
Issuance of common stock upon exercise of stock options (in shares)     216,000            
Issuance of common stock upon exercise of stock options 3,053   $ 2   3,051        
Purchase of capped calls related to convertible senior notes (36,570)       (36,570)        
Issuance of common stock related to acquisition (in shares)     107,000            
Issuance of common stock related to acquisition 0   $ 1   (1)        
Repurchase of common stock issued in relation to acquisition (in shares)       (83,000)          
Repurchase of common stock issued in relation to acquisition 0     $ (1) 1        
Reclassification of equity to derivative assets related to capped calls 33,029       33,029        
Repurchase and inducement of convertible senior notes 35,881       35,881        
Other comprehensive income (loss) 2,755           2,755    
Net loss $ (149,260)             (149,260)  
Common stock, ending balance (in shares) at Dec. 31, 2023 61,714,051   61,714,000            
Treasury stock, ending balance (in shares) at Dec. 31, 2023 569,579     570,000          
Ending balance at Dec. 31, 2023 $ (118,179)   $ 617 $ (4,765) $ 894,630   $ 1,344 $ (1,010,005)