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Note 3 - Balance Sheet Components - Schedule Of Other Assets (Details) - USD ($)
Mar. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Prepaid clinical trial costs (noncurrent portion)   $ 0 $ 1,106,778
Prepaid technology license fees $ 60,000 60,000 70,000
Deposits 11,010 11,010 11,010
Total other assets $ 71,010 $ 71,010 $ 1,187,788