v3.26.1
Note 11 - Subsequent Events (Details Textual) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended
Jul. 31, 2026
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Jun. 30, 2026
Stock Issued During Period, Shares, Issued for Services (in shares)         28,672
Stock Issued During Period, Value, Issued for Services   $ 21,000 $ 18,000 $ 15,000 $ 39,000
Subsequent Event [Member]          
Stock Issued During Period, Shares, Issued for Services (in shares) 15,253        
Stock Issued During Period, Value, Issued for Services $ 33,000