Condensed Statements of Redeemable Convertible Preferred Stock and Stockholders' Deficit - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit	Redeemable Convertible Preferred Stock	Convertible Preferred Stock Preferred Stock	Series A-1 Redeemable Convertible Preferred Stock	Series A-2 Redeemable Convertible Preferred Stock
Beginning balance, shares at Dec. 31, 2022						0
Beginning balance, amount at Dec. 31, 2022						$ 0
Beginning balance, shares at Dec. 31, 2022		1,091,800					810,700
Beginning balance, amount at Dec. 31, 2022	$ (35,236)	$ 1	$ 11,761		$ (46,999)		$ 1
Reclassification of Series Seed redeemable convertible preferred stock, shares						810,700
Reclassification of Series Seed redeemable convertible preferred stock, amount						$ 9,830
Reclassification of series seed redeemable convertible preferred stock, shares							(810,700)
Reclassification of series seed redeemable convertible preferred stock, amount	$ (9,830)		(9,829)				$ (1)
Issuance of redeemable convertible preferred stock, shares								5,072,919
Issuance of redeemable convertible preferred stock, amount								$ 60,760
Issuance of redeemable convertible preferred stock upon conversion of convertible notes, shares									3,229,851
Issuance of redeemable convertible preferred stock upon conversion of convertible notes, amount									$ 35,576
Issuance of restricted stock, shares	1,874	1,874
Vesting of restricted stock	$ 18		18
Repurchase of restricted stock		(4,698)
Stock-based compensation	31		31
Net loss	(12,747)				(12,747)
Ending balance, shares at Mar. 31, 2023						9,113,470
Ending balance, amount at Mar. 31, 2023						$ 106,166
Ending balance, shares at Mar. 31, 2023		1,088,976					0
Ending balance, amount at Mar. 31, 2023	(57,764)	$ 1	1,981		(59,746)		$ 0
Beginning balance, shares at Dec. 31, 2023		41,205,551
Beginning balance, amount at Dec. 31, 2023	405,386	$ 41	550,491	$ 0	(145,146)
Exchange of common stock for pre-funded warrants, shares		(1,842,499)
Exchange of common stock for pre-funded warrants, value	$ (25)	$ (2)	(23)
Issuance of restricted stock, shares
Exercise of stock options, shares	5,595	5,595
Exercise of stock options, amount	$ 26		26
Vesting of restricted stock	11		11
Stock-based compensation	3,904		3,904
Net loss	(35,811)				(35,811)
Other comprehensive loss	(279)			(279)
Ending balance, shares at Mar. 31, 2024		39,368,647
Ending balance, amount at Mar. 31, 2024	$ 373,212	$ 39	$ 554,409	$ (279)	$ (180,957)