CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands		Sep. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents		$ 41,046	$ 35,140
Marketable securities		176,061	30,654
Prepaid expenses and other current assets		3,483	1,450
Restricted cash		114	0
Total current assets		220,704	67,244
Property and equipment, net		372	54
Operating lease right-of-use asset		1,533	318
Deferred offering costs		0	2,739
Other assets		1,398	21
Total assets		224,007	70,376
Current liabilities:
Accounts payable		2,762	5,711
Accrued liabilities		4,948	12,803
Total current liabilities		7,710	18,514
Operating lease liability, net		953	192
Other noncurrent liabilities		64	121
Preferred stock warrants liability		0	871
Total liabilities		8,727	19,698
Commitments and contingencies (Note 6)
Convertible preferred and common stock:
Total convertible preferred and common stock		0	143,390
Stockholders' deficit:
Common stock, par value of $0.00001 per share; 300,000,000 and 16,017,929 shares authorized at September 30, 2024 and December 31, 2023, respectively; 27,500,401 and 2,004,783 shares issued at September 30, 2024 and December 31, 2023, respectively; and 27,480,634 and 1,969,360 shares outstanding at September 30, 2024 and December 31, 2023, respectively	[1]	0	10
Additional paid-in capital	[1]	347,119	2,517
Accumulated deficit	[1]	(132,362)	(95,245)
Accumulated other comprehensive income	[1]	523	6
Total stockholders’ equity (deficit)	[2]	215,280	(92,712)
Total liabilities, convertible preferred and common stock and stockholders’ equity (deficit)		224,007	70,376
Series A Convertible Preferred Stock
Convertible preferred and common stock:
Total convertible preferred and common stock		0	44,621	[2]
Series A-1 Convertible Preferred Stock
Convertible preferred and common stock:
Total convertible preferred and common stock		0	9,893	[2]
Series B Convertible Preferred Stock
Convertible preferred and common stock:
Total convertible preferred and common stock		0	82,976
Class B Convertible Common Stock
Convertible preferred and common stock:
Total convertible preferred and common stock		$ 0	$ 5,900	[2]

[1] Retroactively recast for the reverse recapitalization as described in Note 3.

[2] Retroactively recast for the reverse recapitalization as described in Note 3.