v3.20.4
Consolidated Statements of Redeemable Convertible and Convertible Preferred Stock and Stockholders' Equity (Deficit) - USD ($)
$ in Thousands
Total
Cumulative effect of Accounting Changes [Member]
Series H-1 Convertible Preferred Stock [Member]
Series F Convertible Stock [Member]
Series D Convertible Stock [Member]
Common Stock [Member]
Common Stock [Member]
Series H-1 Convertible Preferred Stock [Member]
Common Stock [Member]
Series F Convertible Stock [Member]
Additional Paid-in Capital [Member]
Additional Paid-in Capital [Member]
Cumulative effect of Accounting Changes [Member]
Additional Paid-in Capital [Member]
Series H-1 Convertible Preferred Stock [Member]
Additional Paid-in Capital [Member]
Series F Convertible Stock [Member]
Additional Paid-in Capital [Member]
Series D Convertible Stock [Member]
Treasury Stock [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Retained Earnings [Member]
Retained Earnings [Member]
Cumulative effect of Accounting Changes [Member]
Redeemable Convertible Preferred Stock [Member]
Redeemable Convertible Preferred Stock [Member]
Series H Redeemable Convertible Preferred Stock [Member]
Nonredeemable Convertible Preferred Stock [Member]
Nonredeemable Convertible Preferred Stock [Member]
Series H-1 Convertible Preferred Stock [Member]
Nonredeemable Convertible Preferred Stock [Member]
Series K Convertible Preferred Stock [Member]
Nonredeemable Convertible Preferred Stock [Member]
Series H Redeemable Convertible Preferred Stock [Member]
Nonredeemable Convertible Preferred Stock [Member]
Series F Convertible Stock [Member]
Nonredeemable Convertible Preferred Stock [Member]
Series D Convertible Stock [Member]
Nonredeemable Convertible Preferred Stock [Member]
Series D Convertible Stock [Member]
Excercise Of Warrants [Member]
Nonredeemable Convertible Preferred Stock [Member]
Series G Convertible Preferred Stock [Member]
Nonredeemable Convertible Preferred Stock [Member]
Series C Convertible Stock [Member]
Nonredeemable Convertible Preferred Stock [Member]
Series A Convertible Stock [Member]
Series D Convertible Preferred Stock [Member]
Common Stock [Member]
Temporary equity, beginning period, Shares at Dec. 31, 2017                                   25,947,422   740,934,057                    
Temporary equity, beginning period at Dec. 31, 2017                                   $ 154,065   $ 2,073,171                    
Balance at beginning period, Shares at Dec. 31, 2017           525,602,270                                                
Balance at beginning period at Dec. 31, 2017 $ (1,501,562)         $ 561     $ 1,402,261 $ 4,973       $ (259,315) $ 1,807 $ (2,646,876) $ (4,973)                          
Balance at beginning period, treasury shares at Dec. 31, 2017                           35,288,149                                
Issuance of Series C convertible preferred stock upon exercise of warrants, Shares                                                       1,910,919    
Forfeiture of Series K convertible preferred stock                                           $ (18)                
Forfeiture of Series K convertible preferred stock, Shares                                           (1,604)                
Repurchase of common stock, held in treasury, Shares           (1,348,649)               1,348,649                                
Repurchase of common stock, held in treasury (7,706)                         $ (7,706)                                
Sale of common stock, held in treasury 96,480               (21,920)         $ 118,400                                
Issuance of common stock from the exercise of stock options 11,939         $ 9     11,930                                          
Issuance of common stock from the exercise of stock options, Shares           9,084,070                                                
Conversion of convertible preferred stock to common stock, Shares           30,000                                         (30,000)      
Conversion of convertible preferred stock to common stock 92               92                                   $ (92)      
Sale of common stock, held in treasury, Shares           16,000,000               (16,000,000)                                
Issuance of Series C convertible preferred stock upon exercise of warrants                                                       $ 14,499    
Accretion of Series H redeemable convertible preferred stock to redemption value (18,098)               (18,098)                 $ 18,098                        
Stock-based compensation 248,503               248,503                                          
Excess tax deficiency from stock-based compensation (4)               (4)                                          
Cumulative translation adjustment (1,045)                           (1,045)                              
Net loss (580,027)                             (580,027)                            
Balance at end of period, Shares at Dec. 31, 2018           549,367,691                                                
Balance at end of period at Dec. 31, 2018 (1,751,428) $ 12,525       $ 570     1,627,737 $ (34)       $ (148,621) 762 (3,231,876) $ 12,559                          
Temporary equity, ending period, Shares at Dec. 31, 2018                                   25,947,422   742,813,372                    
Temporary equity, ending period at Dec. 31, 2018                                   $ 172,163   $ 2,087,560                    
Balance at end of period, treasury shares at Dec. 31, 2018                           20,636,798                                
Issuance of Series H redeemable convertible preferred stock upon exercise of warrants, Shares                                     2,949,002                      
Issuance of Series H redeemable convertible preferred stock upon exercise of warrants                                     $ 26,069                      
Repurchase of common stock, held in treasury, Shares           (2,339,520)               2,339,520                                
Repurchase of common stock, held in treasury (11,202)                         $ (11,202)                                
Sale of common stock, held in treasury 100,000               (20,928)         $ 120,928                                
Issuance of common stock from the exercise of stock options 16,897         $ 18     16,879                                          
Issuance of common stock from the exercise of stock options, Shares           17,845,120                                                
Reclassification of redeemable convertible preferred stock into convertible preferred stock upon expiration of redemption option, Shares                                     (2,015,798)       2,015,798              
Repurchase of convertible preferred stock, Shares                                               (3,036,810) (8,298)       (1,088)  
Repurchase of convertible preferred stock                                               $ (5,386) $ (6)          
Conversion of convertible preferred stock to common stock, Shares               10,078                               (10,078) (30,000)         30,000
Conversion of convertible preferred stock to common stock       $ 20 $ 24             $ 20 $ 24                     $ (20) $ (24)          
Issuance of common stock upon net exercise of common stock warrants, Shares                                                   1,097,094        
Issuance of common stock upon net exercise of common stock warrants                                                   $ 7,375        
Stock issued during period                                     $ 7,500                      
Stock issued during period, Shares                                     1,068,376                      
Reclassification of redeemable convertible preferred stock into convertible preferred stock upon expiration of redemption option                                     $ (4,163)       $ 4,163              
Redemption of redeemable convertible preferred stock, Shares                                     (23,931,624)                      
Redemption of redeemable convertible preferred stock                                     $ (168,000)                      
Sale of common stock, held in treasury, Shares           16,583,747               (16,583,747)                                
Distributed earnings attributable to participating securities (8,481)               (8,481)                                          
Stock-based compensation 242,114               242,114                                          
Cumulative translation adjustment (1,465)                           (1,465)                              
Net loss (579,646)                             (579,646)                            
Balance at end of period, Shares at Dec. 31, 2019           581,497,116               6,392,571                                
Balance at end of period at Dec. 31, 2019 $ (1,980,642)         $ 588     1,857,331         $ (38,895) (703) (3,798,963)                            
Temporary equity, ending period, Shares at Dec. 31, 2019                                   4,017,378   742,839,990                    
Temporary equity, ending period at Dec. 31, 2019                                   $ 33,569   $ 2,093,662                    
Balance at end of period, treasury shares at Dec. 31, 2019 6,392,571                         6,392,571                                
Repurchase of common stock, held in treasury, Shares           (808,201)               808,201                                
Repurchase of common stock, held in treasury $ (3,777)                         $ (3,777)                                
Issuance of common stock from the exercise of stock options $ 298,829         $ 120     298,709                                          
Issuance of common stock from the exercise of stock options, Shares 120,617,527         120,617,527                                                
Retirement of treasury stock, Shares                           (7,200,772)                                
Retirement of treasury stock           $ (7)     (42,665)         $ 42,672                                
Conversion of convertible preferred stock to common stock, Shares           793,725,807 28,490                         (745,312,799) (28,490)                  
Conversion of convertible preferred stock to common stock $ 2,105,319   $ 100     $ 794     2,104,525   $ 100                 $ (2,105,319) $ (100)                  
Conversion of redeemable convertible preferred stock to common stock 33,569         $ 4     33,565                 $ (33,569)                        
Conversion of redeemable convertible preferred stock to common stock, Shares           4,017,378                       (4,017,378)                        
Issuance of common stock upon net exercise of common stock warrants, Shares           7,631,329                                     2,380,034          
Issuance of common stock upon net exercise of common stock warrants           $ 8     (8)                               $ 10,810          
Stock issued during period 942,529         $ 207     942,322                     $ 947                    
Stock issued during period, Shares           206,500,523                           121,265                    
Conversion of preferred stock warrants to common stock warrants 31,007               31,007                                          
Settlement of employee loan accounted for as a modification to stock option (Value) (205)         $ (4)     (201)                                          
Other comprehensive income (2,042)                           (2,042)                              
Issuance of common stock upon settlement of restricted stock units ("RSUs"), Shares           82,429,575                                                
Issuance of common stock upon settlement of restricted stock units ("RSUs")           $ 82     (82)                                          
Stock-based compensation 1,264,254               1,264,254                                          
Settlement of employee loan accounted for as a modification to stock option (Shares)           (3,500,000)                                                
Net loss (1,166,391)                             (1,166,391)                            
Balance at end of period, Shares at Dec. 31, 2020           1,792,139,544                                                
Balance at end of period at Dec. 31, 2020 $ 1,522,550         $ 1,792     $ 6,488,857           $ (2,745) $ (4,965,354)                            
Temporary equity, ending period, Shares at Dec. 31, 2020                                   0   0                    
Temporary equity, ending period at Dec. 31, 2020                                   $ 0   $ 0                    
Balance at end of period, treasury shares at Dec. 31, 2020 0