Condensed Statements of Convertible Preferred Stock and Stockholders' Deficit - USD ($) $ in Thousands	Total	Series A Convertible Preferred Stock	Series B Convertible Preferred Stock	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive (Loss) Income	Accumulated Deficit
Beginning Balance at Dec. 31, 2022	$ (44,201)			$ 3	$ 6,552		$ (50,756)
Beginning Balance (in shares) at Dec. 31, 2022				3,181,829
Temporary Equity, Beginning Balance at Dec. 31, 2022		$ 74,694
Temporary Equity, Beginning Balance (in shares) at Dec. 31, 2022		75,000,000
Vesting of restricted common stock	6				6
Stock-based compensation expense	343				343
Net loss	(9,171)						(9,171)
Ending Balance at Mar. 31, 2023	(53,023)			$ 3	6,901		(59,927)
Ending Balance (in shares) at Mar. 31, 2023				3,181,829
Temporary Equity, Ending Balance at Mar. 31, 2023		$ 74,694
Temporary Equity, Ending Balance (in shares) at Mar. 31, 2023		75,000,000
Beginning Balance at Dec. 31, 2022	(44,201)			$ 3	6,552		(50,756)
Beginning Balance (in shares) at Dec. 31, 2022				3,181,829
Temporary Equity, Beginning Balance at Dec. 31, 2022		$ 74,694
Temporary Equity, Beginning Balance (in shares) at Dec. 31, 2022		75,000,000
Net loss	(30,714)
Ending Balance at Sep. 30, 2023	(73,849)			$ 3	7,618		(81,470)
Ending Balance (in shares) at Sep. 30, 2023				3,168,134
Temporary Equity, Ending Balance at Sep. 30, 2023		$ 74,694	$ 74,521
Temporary Equity, Ending Balance (in shares) at Sep. 30, 2023		75,000,000	60,828,720
Beginning Balance at Mar. 31, 2023	(53,023)			$ 3	6,901		(59,927)
Beginning Balance (in shares) at Mar. 31, 2023				3,181,829
Temporary Equity, Beginning Balance at Mar. 31, 2023		$ 74,694
Temporary Equity, Beginning Balance (in shares) at Mar. 31, 2023		75,000,000
Issuance of Series B Convertible Preferred Stock, issuance costs			$ 72,021
Issuance of Series B Convertible Preferred Stock, issuance costs (in shares)			58,801,098
Vesting of restricted common stock	9				9
Repurchase of unvested restricted common stock (in shares)				(2,807)
Stock-based compensation expense	355				355
Net loss	(10,598)						(10,598)
Ending Balance at Jun. 30, 2023	(63,257)			$ 3	7,265		(70,525)
Ending Balance (in shares) at Jun. 30, 2023				3,179,022
Temporary Equity, Ending Balance at Jun. 30, 2023		$ 74,694	$ 72,021
Temporary Equity, Ending Balance (in shares) at Jun. 30, 2023		75,000,000	58,801,098
Issuance of Series B Convertible Preferred Stock, issuance costs			$ 2,500
Issuance of Series B Convertible Preferred Stock, issuance costs (in shares)			2,027,622
Vesting of restricted common stock	6				6
Repurchase of unvested restricted common stock (in shares)				(10,888)
Stock-based compensation expense	347				347
Net loss	(10,945)						(10,945)
Ending Balance at Sep. 30, 2023	(73,849)			$ 3	7,618		(81,470)
Ending Balance (in shares) at Sep. 30, 2023				3,168,134
Temporary Equity, Ending Balance at Sep. 30, 2023		$ 74,694	$ 74,521
Temporary Equity, Ending Balance (in shares) at Sep. 30, 2023		75,000,000	60,828,720
Beginning Balance at Dec. 31, 2023	(38,374)			$ 3	8,199		(46,576)
Beginning Balance (in shares) at Dec. 31, 2023				3,168,134
Temporary Equity, Beginning Balance at Dec. 31, 2023	149,215	$ 74,694	$ 74,521
Temporary Equity, Beginning Balance (in shares) at Dec. 31, 2023		75,000,000	60,828,720
Issuance of common stock upon exercise of stock options	1				1
Issuance of common stock upon exercise of stock options (in shares)				217
Vesting of restricted common stock	6				6
Repurchase of unvested restricted common stock (in shares)				(11,517)
Stock-based compensation expense	577				577
Net unrealized gain (loss) on available-for-sale marketable securities	(7)					$ (7)
Net loss	(14,097)						(14,097)
Ending Balance at Mar. 31, 2024	(51,894)			$ 3	8,783	(7)	(60,673)
Ending Balance (in shares) at Mar. 31, 2024				3,156,834
Temporary Equity, Ending Balance at Mar. 31, 2024		$ 74,694	$ 74,521
Temporary Equity, Ending Balance (in shares) at Mar. 31, 2024		75,000,000	60,828,720
Beginning Balance at Dec. 31, 2023	(38,374)			$ 3	8,199		(46,576)
Beginning Balance (in shares) at Dec. 31, 2023				3,168,134
Temporary Equity, Beginning Balance at Dec. 31, 2023	149,215	$ 74,694	$ 74,521
Temporary Equity, Beginning Balance (in shares) at Dec. 31, 2023		75,000,000	60,828,720
Net loss	(51,130)
Ending Balance at Sep. 30, 2024	(87,408)			$ 3	10,119	176	(97,706)
Ending Balance (in shares) at Sep. 30, 2024				3,162,968
Temporary Equity, Ending Balance at Sep. 30, 2024	224,157	$ 74,694	$ 149,463
Temporary Equity, Ending Balance (in shares) at Sep. 30, 2024		75,000,000	121,657,452
Beginning Balance at Mar. 31, 2024	(51,894)			$ 3	8,783	(7)	(60,673)
Beginning Balance (in shares) at Mar. 31, 2024				3,156,834
Temporary Equity, Beginning Balance at Mar. 31, 2024		$ 74,694	$ 74,521
Temporary Equity, Beginning Balance (in shares) at Mar. 31, 2024		75,000,000	60,828,720
Issuance of Series B Convertible Preferred Stock, issuance costs			$ 74,942
Issuance of Series B Convertible Preferred Stock, issuance costs (in shares)			60,828,732
Issuance of common stock upon exercise of stock options	10				10
Issuance of common stock upon exercise of stock options (in shares)				6,186
Vesting of restricted common stock	4				4
Stock-based compensation expense	628				628
Net unrealized gain (loss) on available-for-sale marketable securities	(1)					(1)
Net loss	(16,510)						(16,510)
Ending Balance at Jun. 30, 2024	(67,763)			$ 3	9,425	(8)	(77,183)
Ending Balance (in shares) at Jun. 30, 2024				3,163,020
Temporary Equity, Ending Balance at Jun. 30, 2024		$ 74,694	$ 149,463
Temporary Equity, Ending Balance (in shares) at Jun. 30, 2024		75,000,000	121,657,452
Issuance of common stock upon exercise of stock options	5				5
Issuance of common stock upon exercise of stock options (in shares)				2,730
Vesting of restricted common stock	6				6
Repurchase of unvested restricted common stock (in shares)				(2,782)
Stock-based compensation expense	683				683
Net unrealized gain (loss) on available-for-sale marketable securities	184					184
Net loss	(20,523)						(20,523)
Ending Balance at Sep. 30, 2024	(87,408)			$ 3	$ 10,119	$ 176	$ (97,706)
Ending Balance (in shares) at Sep. 30, 2024				3,162,968
Temporary Equity, Ending Balance at Sep. 30, 2024	$ 224,157	$ 74,694	$ 149,463
Temporary Equity, Ending Balance (in shares) at Sep. 30, 2024		75,000,000	121,657,452