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CONDENSED BALANCE SHEETS (Unaudited) - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Current assets    
Cash and cash equivalents $ 29,117 $ 37,494
Short-term investments 251,636 314,649
Prepaid expenses and other current assets 5,983 8,545
Total current assets 286,736 360,688
Long-term investments 18,728  
Restricted cash 2,743 2,743
Property and equipment, net 76,094 61,908
Operating lease right-of-use assets 41,071 45,749
Other long-term assets 3,666 1,850
Total assets 429,038 472,938
Current liabilities    
Accounts payable 3,010 1,761
Operating lease liabilities, current portion 6,050 4,249
Accrued and other current liabilities 17,553 16,036
Total current liabilities 26,613 22,046
Operating lease liabilities, net of current portion 84,447 78,685
Total liabilities 111,060 100,731
Commitments and contingencies (Note 7)
Stockholders’ equity    
Common stock 5 5
Additional paid-in capital 700,609 690,814
Accumulated other comprehensive loss (601) (679)
Accumulated deficit (382,035) (317,933)
Total stockholders’ equity 317,978 372,207
Total liabilities and stockholders’ equity $ 429,038 $ 472,938