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CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Sep. 30, 2024
Dec. 31, 2023
Current assets:    
Cash and cash equivalents $ 20,286 $ 21,392
Available-for-sale investments 72,294 78,537
Accounts receivable 6,384 5,029
Prepaid expenses and other current assets 4,902 2,709
Total current assets 103,866 107,667
Property and equipment, net 44,837 44,483
Operating lease right-of-use assets 8,369 7,634
Other assets 178 129
Total assets 157,250 159,913
Current liabilities:    
Accounts payable 1,604 5,772
Accrued expenses and other current liabilities 5,581 8,563
Deferred revenue 886 343
Current portion of debt 11,247 12,164
Current portion of operating lease liabilities 2,142 2,210
Total current liabilities 21,460 29,052
Debt, less current portion 2,061 9,894
Operating lease liabilities, less current portion 7,040 6,297
Derivative warrant liabilities 2,210 2,927
Earn-out liabilities 1,641 2,155
Total liabilities 34,412 50,325
Commitments and contingencies (Note 18)
Stockholders' equity:    
Preferred stock, par value $0.0001 per share, 10,000,000 shares authorized, none outstanding 0 0
Common stock, par value $0.0001 per share, 1,000,000,000 shares authorized, 191,958,045 shares issued and outstanding at September 30, 2024 and 147,066,336 shares issued and outstanding at December 31, 2023 19 14
Additional paid-in capital 524,351 463,089
Accumulated other comprehensive income 254 244
Accumulated deficit (401,786) (353,759)
Total stockholders' equity 122,838 109,588
Total liabilities and stockholders' equity $ 157,250 $ 159,913