Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 27,873	$ 31,040
Short-term investments	239,481	217,149
Prepaid expenses and other current assets	5,984	4,882
Total current assets	273,338	253,071
Long-term investments	110,392
Restricted cash	2,743	2,743
Property and equipment, net	74,658	79,326
Operating lease right-of-use assets	36,014	39,949
Other long-term assets	4,058	3,796
Total assets	501,203	378,885
Current liabilities:
Accounts payable	638	3,665
Operating lease liabilities, current portion	6,050	6,069
Accrued and other current liabilities	12,229	13,596
Total current liabilities	18,917	23,330
Operating lease liabilities, net of current portion	74,223	82,270
Other long-term liabilities	87
Total liabilities	93,227	105,600
Commitments and contingencies (Note 7)
Stockholders' equity:
Preferred stock, $0.0001 par value; 54,350,179 shares authorized; no shares issued and outstanding at December 31, 2024 and 2023
Common stock, $0.0001 par value; 200,000,000 and 100,000,000 shares authorized as of December 31, 2024 and 2023, respectively; 70,645,139 and 49,181,295 shares issued and outstanding at December 31, 2024 and 2023, respectively	7	5
Additional paid-in capital	951,519	708,706
Accumulated other comprehensive income (loss)	674	8
Accumulated deficit	(544,224)	(435,434)
Total stockholders' equity	407,976	273,285
Total liabilities and stockholders' equity	$ 501,203	$ 378,885