Note 8 - Related Party Transactions (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Apr. 30, 2023	Apr. 30, 2022	Apr. 30, 2023	Apr. 30, 2022	Jan. 09, 2023	Jul. 31, 2022
Stock Issued During Period, Value, New Issues	$ 40,000	$ 5,000
Common Stock to be Issued [Member]
Stock Issued During Period, Shares, New Issues			4,000,000
Stock Issued During Period, Value, New Issues	40,000	$ (20,050)	$ 80,000
Chief Executive Officer [Member]
Accounts Payable, Current					$ 5,000
Chief Executive Officer [Member] | Common Stock to be Issued [Member]
Stock Issued During Period, Shares, New Issues			500,000
Stock Issued During Period, Value, New Issues			$ 10,000
Consulting Services [Member] | Director [Member]
Costs and Expenses			54,000	$ 50,000
Accounts Payable	26,500		26,500			$ 26,500
Consulting Services [Member] | Chief Financial Officer [Member]
Accounts Payable	$ 0		$ 0			$ 1,900