Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' (DEFICIT) EQUITY

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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' (DEFICIT) EQUITY - USD ($)
$ in Thousands
Redeemable convertible preference shares - Angel Series
Previously Reported
Redeemable convertible preference shares - Angel Series
Revision of Prior Period, Reclassification, Adjustment [Member]
Redeemable convertible preference shares - Seed Series
Previously Reported
Redeemable convertible preference shares - Seed Series
Revision of Prior Period, Reclassification, Adjustment [Member]
Common Stock
Previously Reported
Common Stock
Revision of Prior Period, Reclassification, Adjustment [Member]
Common Stock
Additional Paid-in Capital
Previously Reported
Additional Paid-in Capital
Revision of Prior Period, Reclassification, Adjustment [Member]
Additional Paid-in Capital
Accumulated deficit
Previously Reported
Accumulated deficit
Related party stockholder receivable
Previously Reported
Related party stockholder receivable
Previously Reported
Revision of Prior Period, Reclassification, Adjustment [Member]
Total
Balance as of beginning of period at Dec. 31, 2018 $ 100,000 $ (100,000)                              
Balance as of beginning of period (shares) at Dec. 31, 2018 77,000,000 (77,000,000)                              
Temporary Equity [Abstract]                                  
Issuance of redeemable convertible preference shares     $ 100,000 $ (100,000)                          
Issuance of redeemable convertible preference shares (shares)     33,333,000 (33,333,000)                     33,300,000    
Balance as of beginning of period at Dec. 31, 2018         $ 3 $ 5 $ 8 $ 847 $ 99,995 $ 100,842 $ (76,315) $ (76,315) $ (20,000) $ (20,000) $ (95,465) $ 100,000 $ 4,535
Balance as of beginning of period (shares) at Dec. 31, 2018         24,352,000 51,317,000 75,669,000                    
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                  
Issuance of shares in recapitalization           $ 2     $ 99,998             $ 100,000  
Issuance of shares in recapitalization (shares)           22,215,000                     5,728,731
Issuance of shares upon early exercise of unvested share options             $ 1     127             $ 128
Issuance of shares upon early exercise of unvested share options (shares)             7,609,000                    
Issuance of unvested restricted shares             $ 1     (1)              
Issuance of unvested restricted shares (shares)             8,745,000                    
Proceeds from related party shareholder receivable                           $ 20,000     20,000
Repurchase of unvested shares - forfeitures             $ (1)     (43)             (44)
Repurchase of unvested shares - forfeitures (shares)             (5,400,000)                    
Share-based compensation                   1,873             1,873
Net loss and comprehensive loss                       (182,360)         (182,360)
Balance as of end of period at Dec. 31, 2019             $ 11     202,796   (258,675)         (55,868)
Balance as of end of period (shares) at Dec. 31, 2019             108,838,000                    
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                  
Exchange and gain on extinguishment of related party convertible debt             $ 4     207,778             207,782
Exchange and gain on extinguishment of related party convertible debt (shares)             41,259,000                    
Exchange of convertible debt             $ 2     86,755             $ 86,757
Exchange of convertible debt (shares)             21,960,000                    
Issuance of shares upon early exercise of unvested share options (shares)             424,000                   424
Issuance of unvested restricted shares (shares)             101,000                    
Shares issued in offering             $ 7     607,129             $ 607,136
Shares issued in offering (shares)             69,549,000                    
Offering costs                   (19,088)             (19,088)
Repurchase of unvested shares - forfeitures (shares)             (6,378,000)                    
Share-based compensation                   84,280             84,280
Settlement on restricted stock tax withholding                   (448)             (448)
Contingent earnout shares liability                   (248,878)             (248,878)
Net loss and comprehensive loss                       (89,818)         (89,818)
Balance as of end of period at Dec. 31, 2020             $ 24     $ 920,324   $ (348,493)         $ 571,855
Balance as of end of period (shares) at Dec. 31, 2020             235,753,000