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STATEMENT OF BALANCE SHEETS (UNAUDITED) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Current assets:    
Cash and cash equivalents $ 52,022 $ 31,828
Marketable securities 172,021 259,405
Prepaid expenses and other current assets 2,850 3,882
Total current assets 226,893 295,115
Restricted cash 4,044 4,044
Property and equipment, net 5,110 3,929
Right-of-use asset 1,354 1,707
Other assets 4,926 303
Total assets 242,327 305,098
Current liabilities:    
Accounts payable 10,250 7,840
Accrued expenses and other current liabilities 9,922 9,621
Operating lease liability 1,388 1,740
Total current liabilities 21,560 19,201
Other liabilities 3,360  
Total liabilities 24,920 19,201
Commitments (Note 8)
Stockholders’ equity:    
Additional paid-in capital 525,682 505,723
Accumulated other comprehensive income (loss) (2,363) (711)
Accumulated deficit (305,917) (219,120)
Total stockholders’ equity 217,407 285,897
Total liabilities and stockholders’ equity 242,327 305,098
Voting Common Stock    
Stockholders’ equity:    
Common stock 4 4
Non-voting Common Stock    
Stockholders’ equity:    
Common stock $ 1 $ 1