Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Research and development	$ 1,897	$ 1,968	$ 6,349	$ 14,084
General and administrative	1,855	2,773	5,477	6,514
Loss on impairment of intangible assets	16,130	0	16,130	0
Total operating expenses	19,882	4,741	27,956	20,598
Operating loss	(19,882)	(4,741)	(27,956)	(20,598)
Loss on debt issuances	(14,965)	0	(22,402)	0
Gain on debt extinguishment, net	0	71	52	14,591
Loss on deposit settlement	(650)	0	(650)	0
Change in fair value of convertible notes payable	2,684	0	3,473	0
Change in fair value of common stock warrant liability	50	2,166	292	2,166
Change in fair value of derivative liabilities	613	0	801	33
Interest income	758	12	963	62
Interest expense	(328)	(51)	(427)	(174)
Other income (expense), net	204	(446)	(338)	(563)
Total other (expense) income, net	(11,634)	1,752	(18,236)	16,115
Loss before income taxes	(31,516)	(2,989)	(46,192)	(4,483)
Income tax benefit (expense)	3,431	240	3,431	(71)
Net loss	(28,085)	(2,749)	(42,761)	(4,554)
Extinguishment of Series B preferred stock	0	572	0	572
Deemed dividends on warrants	0	0	(9)	0
Net loss attributable to common stockholders	$ (28,938)	$ (3,750)	$ (48,899)	$ (5,555)
Net loss per share attributable to common stockholders
Basic and diluted (in dollars per share)	$ (1.08)	$ (211.38)	$ (4.46)	$ (431.89)
Weighted average number of common shares outstanding
Basic and diluted (in shares)	26,675,559	17,740	10,974,186	12,862
Series C Preferred Stock [Member]
Dividends on preferred stock	$ (650)	$ (1,573)	$ (5,789)	$ (1,573)
Series D Preferred Stock [Member]
Dividends on preferred stock	$ (203)	$ 0	$ (340)	$ 0