Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 21,943	$ 15,526
Marketable securities	182,817	109,664
Prepaid expenses and other current assets	1,628	2,516
Total current assets	206,388	127,706
Property and equipment, net	989	678
Other long-term assets	3	1,283
Operating lease right-of-use assets	5,467	719
Total assets	212,847	130,386
Current liabilities:
Accounts payable	1,811	635
Accrued expenses	6,711	4,385
Current portion of operating lease liabilities	1,452	464
Total current liabilities	9,974	5,484
Other long-term liabilities	0	110
Operating lease liabilities, net of current portion	4,807	108
Total liabilities	14,781	5,702
Commitments and contingencies (Note 11)
Convertible preferred stock, $0.001 par value; no shares authorized, issued, or outstanding at December 31, 2024; authorized shares—16,940,594 at December 31, 2023; issued and outstanding shares—15,906,236 shares at December 31, 2023.	0	192,620
Stockholders’ equity (deficit):
Preferred stock, $0.001 par value; authorized shares—10,000,000 at December 31, 2024; no shares issued or outstanding at December 31, 2024; no shares authorized, issued, or outstanding at December 31, 2023	0	0
Additional paid-in-capital	315,371	7,098
Accumulated deficit	(117,402)	(75,144)
Accumulated other comprehensive income	71	108
Total stockholders’ equity (deficit)	198,066	(67,936)
Total liabilities, convertible preferred stock and stockholders’ equity (deficit)	212,847	130,386
Common Class A [Member]
Stockholders’ equity (deficit):
Common stock	19	2
Common Class B [Member]
Stockholders’ equity (deficit):
Common stock	$ 7	$ 0