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Note 10 - Related Party Transactions (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Jan. 07, 2026
Oct. 31, 2024
Jan. 31, 2026
Jan. 31, 2025
Jul. 31, 2025
Common stock issued for services – related party (in shares) 50,000        
Shares Issued, Price Per Share $ 0.174        
Common stock issued for services – related party $ 8,700        
Director [Member]          
Common stock issued for services – related party (in shares) 100,000        
Shares Issued, Price Per Share $ 0.174        
Common stock issued for services – related party $ 17,400        
Chief Financial Officer [Member]          
Common stock issued for services – related party (in shares) 50,000        
Shares Issued, Price Per Share $ 0.174        
Common stock issued for services – related party $ 8,700        
Consulting Services [Member] | Director [Member]          
Costs and Expenses     $ 48,000 $ 36,000  
Accounts Payable     $ 20,500   $ 32,500
Consulting Services [Member] | Chief Executive Officer [Member]          
Costs and Expenses   $ 1,250