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Condensed Consolidated Balance Sheets - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Current assets:    
Cash and cash equivalents $ 145,902 $ 151,794
Investments 725,671 847,123
Accounts receivable 78 306
Contract asset   4,913
Prepaid expenses 9,306 12,110
Other current assets 3,392 3,259
Total current assets 884,349 1,019,505
Property and equipment, net 11,749 11,634
Operating lease assets 60,911 63,754
Restricted cash 2,707 2,578
Intangible asset 2,300 2,300
Total assets 962,016 1,099,771
Current liabilities:    
Accounts payable 14,778 10,578
Accrued expenses 26,910 22,703
Operating lease liabilities 4,610 4,276
Deferred revenue 15  
Other current liabilities 25,263 26,152
Total current liabilities 71,576 63,709
Operating lease liabilities, net of current portion 51,098 53,466
Contingent consideration liability 29,223 32,378
Total liabilities 151,897 149,553
Commitments and contingencies (Note 9)
Stockholders’ equity:    
Common stock, $0.001 par value; 300,000,000 shares authorized as of June 30, 2023, and December 31, 2022; 121,944,876 and 121,112,234 shares issued and outstanding as of June 30, 2023 and December 31, 2022, respectively 122 121
Additional paid-in capital 2,067,431 2,019,126
Accumulated other comprehensive loss (6,081) (10,420)
Accumulated deficit (1,251,353) (1,058,609)
Total stockholders’ equity 810,119 950,218
Total liabilities and stockholders’ equity $ 962,016 $ 1,099,771