CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Operating expenses
General and administrative	$ 30,508	$ 18,770
Total operating expenses	155,604	82,389
Loss from operations	(155,604)	(82,389)
Other income, net
Interest income	17,871	14,581
Total other income, net	17,871	14,581
Net loss before income taxes	(137,733)	(67,808)
Income tax expense	(217)	(187)
Net loss	$ (137,950)	$ (67,995)
Net Loss per share, basic (in usd per share)	$ (2.52)	$ (4.05)
Net Loss per share, diluted (in usd per share)	$ (2.52)	$ (4.05)
Weighted-average number common shares outstanding, basic (in shares)	54,676,896,000	16,805,524,000
Weighted-average number common shares outstanding, diluted (in shares)	54,676,896,000	16,805,524,000
Other comprehensive income:
Unrealized gain on marketable securities, net of tax	$ 243	$ 0
Total other comprehensive income	243	0
Total comprehensive loss	(137,707)	(67,995)
Related Party
Operating expenses
Research and development	18,672	8,216
Nonrelated Party
Operating expenses
Research and development	$ 106,424	$ 55,403