Quarterly report [Sections 13 or 15(d)]

Note 2 - Significant Accounting Policies (Details Textual)

v3.26.1
Note 2 - Significant Accounting Policies (Details Textual) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2024
Dec. 31, 2025
Jan. 31, 2025
Oct. 23, 2024
Insurance Premiums Dues Subscription and Software Cost Paid In Advance $ 10,000          
Cash, FDIC Insured Amount $ 250,000          
Weighted Average Number of Shares Outstanding, Basic (in shares) 8,535,443 6,987,381        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) 842,973 769,612        
Research and Development Expense $ 3,487,247 $ 1,643,375        
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense 0 $ 0        
License Agreement [Member]            
Initial Cash Payment for License Agreement     $ 1,000,000     $ 1,000,000
Additional Cash Payment for License Agreement         $ 3,000,000 $ 3,000,000
License Agreement, Upfront Payments [Member]            
Research and Development Expense     4,000,000      
License Agreement, Value of Common Stock [Member]            
Research and Development Expense     $ 4,600,000      
Fair Value, Recurring [Member]            
Liabilities, Fair Value Disclosure $ 0     $ 0