CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Operating expenses:
Research and development		$ 6,451	$ 17,004	$ 23,933	$ 39,968
Selling, general and administrative		6,494	2,861	19,452	7,472
Total operating expenses		12,945	19,865	43,385	47,440
Loss from operations		(12,945)	(19,865)	(43,385)	(47,440)
Other income (expense):
Other income (expense)		(6)	(101)	281	(174)
Interest income		2,736	1,086	5,987	1,338
Total other income, net		2,730	985	6,268	1,164
Net loss		(10,215)	(18,880)	(37,117)	(46,276)
Other comprehensive income (loss):
Unrealized gain (loss) on marketable securities		585	9	517	(5)
Comprehensive loss		$ (9,630)	$ (18,871)	$ (36,600)	$ (46,281)
Net loss per share attributable to common stockholders-basic		$ (0.38)	$ (9.62)	$ (1.93)	$ (23.66)
Net loss per share attributable to common stockholders-diluted		$ (0.38)	$ (9.62)	$ (1.93)	$ (23.66)
Weighted-average Class A common shares outstanding, basic (in shares)	[1]	27,172,330	1,961,822	19,195,399	1,956,282
Weighted-average Class A common shares outstanding, diluted (in shares)	[1]	27,172,330	1,961,822	19,195,399	1,956,282

[1] Retroactively recast for the reverse recapitalization as described in Note 3. See Note 2 for further information on weighted-average common shares outstanding.