Segment Information - Summary of Segment Reporting Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Revenues	$ 5	$ 10
Less segment expenses:
Research and development	1,363	362
General and administrative	2,867	4,460
Change in fair value of warrant liability	(31)	0
Total operating expenses	4,230	4,822
Other income , net	80	133
Net loss	(4,176)	(4,679)	$ (4,679)
Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenues	5	10
Less segment expenses:
Research and development	1,363	362
General and administrative	2,867	4,460
Change in fair value of warrant liability	(31)	0
Total operating expenses	4,230	4,822
Other income , net	80	133
Net loss	$ (4,176)	$ (4,679)