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Note 14 - Segment Reporting and Geographic Information - Segment Expenses (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Clinical and pre-clinical expenses	$ 115	$ 78
Patent expenses	166	259
Personnel costs	1,088	1,037
Professional services	956	318
Other operational expenses	285	363
Other segment items	(26)	25
Segment net loss	2,584	2,080
Net loss (income) from discontinued operations	(3,754)	1,208
Consolidated net loss (income)	$ (1,170)	$ 3,288

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