Quarterly report [Sections 13 or 15(d)]

Note 10 - Related Party Transactions (Details Textual)

v3.25.1
Note 10 - Related Party Transactions (Details Textual) - USD ($)
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Director [Member]    
Common Stock, Percentage of Beneficial Stock Outstanding 5.00%  
BHS [Member] | Royalty Agreement and License [Member]    
Royalty Expense $ 9,000 $ 9,000
Number of Days Termination Notice (Day) 90 days  
Related Party Transaction, Automatic Renewal Period of Agreement (Year) 1 year