Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Operating expenses:
Research and development	$ 18,070	$ 10,253	$ 31,148	$ 16,100
General and administrative	5,997	2,492	11,637	4,804
Total operating expenses	24,067	12,745	42,785	20,904
Loss from operations	(22,204)	(11,776)	(40,048)	(19,459)
Other income/(expense):
Interest income	4,708	687	8,930	1,293
Loss on currency exchange, net	(31)	(28)	(43)	(37)
Other expense	(80)	(23)	(194)	(26)
Total other income	4,597	636	8,693	1,230
Net loss	$ (17,607)	$ (11,140)	$ (31,355)	$ (18,229)
Net loss per share attributable to common stockholders, basic	$ (0.51)	$ (12.73)	$ (0.99)	$ (20.84)
Net loss per share attributable to common stockholders, diluted	$ (0.51)	$ (12.73)	$ (0.99)	$ (20.84)
Weighted-average number of shares of common stock outstanding including shares issuable under equity-classified pre-funded warrants, used in computing net loss per share of common stock, basic	34,227,038	874,900	31,794,881	874,805
Weighted-average number of shares of common stock outstanding including shares issuable under equity-classified pre-funded warrants, used in computing net loss per share of common stock, diluted	34,227,038	874,900	31,794,881	874,805
Comprehensive loss:
Net Income (Loss)	$ (17,607)	$ (11,140)	$ (31,355)	$ (18,229)
Other comprehensive (loss)/income:
Change in unrealized (losses)/gains related to available-for-sale debt securities	(10)	38	(84)	142
Total other comprehensive (loss)/income	(10)	38	(84)	142
Total comprehensive loss	(17,617)	(11,102)	(31,439)	(18,087)
Related Party [Member]
Revenues:
License revenue - related party	$ 1,863	$ 969	$ 2,737	$ 1,445