Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Operating expenses:
Research and development	$ 1,203	$ 1,021	$ 4,927	$ 4,249
Impairment of Intangible Assets	0	9,703	0	9,703
General and administrative	1,315	1,589	4,760	5,972
Total operating expenses	2,518	12,313	9,687	19,924
Loss from operations	(2,518)	(12,313)	(9,687)	(19,924)
Other income (expense):
Interest income	187	261	646	314
Interest expense	(57)	(50)	(126)	(578)
Foreign exchange gains (losses)	(418)	121	1,308	69
Change in fair value of derivative and warrant liabilities	0	14	1	2,676
Total other income, net	(288)	346	1,829	2,481
Loss before income tax benefit	(2,806)	(11,967)	(7,858)	(17,443)
Income tax benefit	0	377	0	381
Net loss	(2,806)	(11,590)	(7,858)	(17,062)
Net loss attributable to common stockholders	$ (2,806)	$ (12,152)	$ (7,858)	$ (17,701)
Net loss per common share, basic and diluted (in dollars per share)	$ (0.19)	$ (7.71)	$ (0.57)	$ (25.33)
Weighted average common shares outstanding, basic and diluted (in shares)	14,739,800	1,575,762	13,849,976	698,877
Net loss	$ (2,806)	$ (11,590)	$ (7,858)	$ (17,062)
Change in cumulative translation adjustment	158	(163)	(1,949)	(282)
Total comprehensive loss	(2,648)	(11,753)	(9,807)	(17,344)
Series A Convertible Preferred Stock [Member]
Other income (expense):
Gain on extinguishment of Series A Convertible Preferred Stock	0	0	0	222
Deemed dividend on Preferred Stock	0	(562)	0	(562)
Series A Preferred Stock [Member]
Other income (expense):
Deemed dividend on Preferred Stock	$ 0	$ 0	$ 0	$ (299)