Note 6 - Common Stock Transaction (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Apr. 30, 2023	Apr. 30, 2022	Apr. 30, 2023
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