v3.26.1
Note 8 - Subsequent Events (Details Textual)
 1 Months Ended 3 Months Ended 6 Months Ended
Jul. 17, 2026
shares
Jul. 16, 2026
Jul. 01, 2026
shares
Oct. 21, 2025
Aug. 12, 2026
USD ($)
shares
Jun. 30, 2026
USD ($)
shares
Jun. 30, 2025
USD ($)
shares
Jun. 30, 2026
USD ($)
shares
Jun. 30, 2025
USD ($)
shares
Proceeds from Issuance of Common Stock | $               $ 15,600,504 $ 7,770,844
The 2023 ATM Facility [Member]                  
Stock Issued During Period, Shares, New Issues (in shares)           93,312 3,333 353,095 15,428
Proceeds from Issuance of Common Stock | $         $ 1,530,000 $ 2,240,000 $ 870,000 $ 15,600,000 $ 6,900,000
Scientific Advisory Board Chairman [Member]                  
Stock Issued During Period, Shares, Issued for Services (in shares)           228 5 456 10
Subsequent Event [Member]                  
Stock Issued During Period, Shares, Stock Splits (in shares) 72,263                
Subsequent Event [Member] | The 2023 ATM Facility [Member]                  
Stock Issued During Period, Shares, New Issues (in shares)         241,000        
Proceeds from Issuance of Common Stock | $         $ 1,530,000        
Subsequent Event [Member] | Scientific Advisory Board Chairman [Member]                  
Stock Issued During Period, Shares, Issued for Services (in shares)     228            
Reverse Stock Split [Member]                  
Stockholders' Equity Note, Stock Split, Conversion Ratio       50          
Reverse Stock Split [Member] | Subsequent Event [Member]                  
Stockholders' Equity Note, Stock Split, Conversion Ratio   22