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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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