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Note 8 - Accrued Liabilities (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2026
Notes Tables |
Schedule of Accrued Liabilities [Table Text Block] |
|  | June 30, 2026 |  |  | December 31, 2025 |
Clinical trial costs |  | $ | 1,823 |  |  | $ | 1,291 |
Compensation |  |  | 1,205 |  |  |  | 1,380 |
Research and development services |  |  | 467 |  |  |  | 749 |
Professional services fees |  |  | 165 |  |  |  | 120 |
Other |  |  | 6 |  |  |  | 5 |
Total accrued liabilities |  | $ | 3,666 |  |  | $ | 3,545 |

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