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Note 9 - Related Party Note Payable (Details Textual) - Victor Miranda [Member] - USD ($)
Jan. 31, 2026
Jul. 31, 2025
Line of Credit [Member]    
Line of Credit Facility, Maximum Borrowing Capacity $ 500,000  
Debt Instrument, Interest Rate, Stated Percentage 5.00%  
Notes Payable   $ 135,000
Interest Payable $ 7,092 $ 2,040
Letter of Credit [Member]    
Notes Payable $ 317,000