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CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($)
$ in Thousands
Sep. 30, 2024
Dec. 31, 2023
Current assets:    
Cash and cash equivalents $ 76,290 $ 76,333
Collaboration receivable, current - related party 50,586 49,152
Other receivables 2,696 1,545
Prepaid expenses and other current assets 2,055 4,178
Total current assets 131,627 131,208
Property and equipment, net 0 2
Operating lease right of use assets 3,381 4,155
Collaboration receivable, non-current - related party 0 46,590
Other assets 153 435
Total assets 135,161 182,390
Current liabilities:    
Accounts payable 6,090 1,378
Accrued expenses and other current liabilities 15,328 6,557
Operating lease liabilities 1,739 1,718
Income taxes payable 97 387
Deferred revenue, current 788 2,132
Deferred revenue, current - related party 25,054 24,981
Total current liabilities 49,096 37,153
Non-current operating lease liabilities 2,883 3,825
Deferred revenue, non-current 11,850 10,825
Deferred revenue, non-current - related party 5,812 23,606
Other long-term liabilities 13 87
Total liabilities 69,654 75,496
Commitments and contingencies (Note 7)
Stockholders' equity:    
Preferred stock, $0.001 par value; 10,000,000 shares authorized, no shares issued and outstanding as of September 30, 2024 and December 31, 2023 0 0
Common stock, $0.001 par value; 120,000,000 shares authorized as of September 30, 2024 and December 31, 2023; 54,314,415 shares issued and outstanding as of September 30, 2024 and 52,999,680 shares issued and outstanding as of December 31, 2023 54 53
Additional paid-in capital 504,203 497,913
Accumulated deficit (438,750) (391,072)
Total stockholders' equity 65,507 106,894
Total liabilities and stockholders' equity $ 135,161 $ 182,390