Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Operating expenses:
Research and development (including $15, $12, $30 and $25 for a related party)	$ 9,018	$ 8,440	$ 16,590	$ 14,470
General and administrative (including $93, $37, $160 and $188 for a related party)	3,368	3,816	7,629	8,140
Total operating expenses	12,386	12,256	24,219	22,610
Loss from operations	(12,386)	(12,256)	(24,219)	(22,610)
Other income (expense), net:
Change in fair value of tranche liability (including $0, $0, $0 and $331 for a related party)	0	0	0	365
Change in fair value of derivative liabilities (including $0, $0, $0 and $1,165 for a related party)	0	0	0	1,229
Interest expense (including $0, $0, $0 and $1,384 for a related party)	0	0	0	(1,443)
Loss on extinguishment and on issuance of convertible promissory notes (including $0, $0, $0 and $169 for a related party)	0	0	0	(186)
Other income, net	871	906	1,848	1,099
Total other income, net	871	906	1,848	1,064
Net loss	$ (11,515)	$ (11,350)	$ (22,371)	$ (21,546)
Net loss per share attributable to common stockholders - basic	$ (0.48)	$ (0.61)	$ (0.94)	$ (1.89)
Net loss per share attributable to common stockholders - diluted	$ (0.48)	$ (0.61)	$ (0.94)	$ (1.89)
Weighted-average shares outstanding - basic	23,797,306	18,701,286	23,760,665	11,417,677
Weighted-average shares outstanding - diluted	23,797,306	18,701,286	23,760,665	11,417,677
Comprehensive loss:
Net loss	$ (11,515)	$ (11,350)	$ (22,371)	$ (21,546)
Other comprehensive loss:
Unrealized loss on marketable securities, net of tax	(24)	0	(79)	0
Total other comprehensive loss	(24)	0	(79)	0
Comprehensive loss	$ (11,539)	$ (11,350)	$ (22,450)	$ (21,546)