Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Operating expenses:
Research and development (including $12, $13, $25 and $59 for a related party, respectively)	$ 8,440	$ 3,211	$ 14,470	$ 5,172
General and administrative (including $37, $48, $188 and $97 for a related party, respectively)	3,816	976	8,140	1,578
Total operating expenses	12,256	4,187	22,610	6,750
Loss from operations	(12,256)	(4,187)	(22,610)	(6,750)
Other income (expense), net:
Change in fair value of tranche liability (including $331 for a related party for the six months ended June 30, 2025)	0	0	365	0
Change in fair value of derivative liabilities (including $0, $311, $1,165 and $311 for a related party, respectively)	0	311	1,229	311
Interest expense (including $0, $499, $1,384 and $577 for a related party, respectively)	0	(499)	(1,443)	(577)
Loss on extinguishment and on issuance of convertible promissory notes (including $0, $1,341, $169 and $2,134 for a related party respectively)	0	(1,341)	(186)	(2,134)
Other income, net	906	66	1,099	93
Total other income (expense), net	906	(1,463)	1,064	(2,307)
Net loss	$ (11,350)	$ (5,650)	$ (21,546)	$ (9,057)
Net loss per share attributable to common stockholders - basic	$ (0.61)	$ (4.26)	$ (1.89)	$ (6.87)
Net loss per share attributable to common stockholders - diluted	$ (0.61)	$ (4.26)	$ (1.89)	$ (6.87)
Weighted-average shares outstanding - basic	18,701,286	1,325,706	11,417,677	1,319,129
Weighted-average shares outstanding - diluted	18,701,286	1,325,706	11,417,677	1,319,129