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Note 10 - Related Party Transaction (Details Textual) - USD ($)
1 Months Ended
Feb. 28, 2025
Aug. 28, 2025
Jul. 31, 2025
Jan. 31, 2025
Common Stock, Par or Stated Value Per Share (in dollars per share)     $ 0.01 $ 0.01
Sales Agreement [Member] | Subsequent Event [Member]        
Equity Offering, Maximum Offering Amount   $ 25,000,000    
Common Stock, Par or Stated Value Per Share (in dollars per share)   $ 0.01    
Equity Offering, Compensation of Gross Proceeds, Percent   2.00%    
Advisory and Arrangement Services for Growth and Additional Scale Opportunities [Member] | Lucid Capital Markets, LLC [Member]        
Related Party Transaction, Amounts of Transaction $ 100,000