Condensed Statements of Operations and Comprehensive Loss (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Revenue not from contract with customer				$ 251
Research and development including related party	$ 17,861	$ 12,333	$ 34,914	23,488
Change in fair value of SAFEs including related party		2,352		2,620
Related party [Member]
Revenue not from contract with customer	0	0	0	251
Research and development including related party	27	1,172	50	1,459
Change in fair value of SAFEs including related party	$ 0	$ 1,895	$ 0	$ 2,112