Note 5 - Common Stock Transaction (Details Textual) - USD ($)		3 Months Ended
	Oct. 31, 2023	Oct. 31, 2023
Stock Issued During Period, Value, New Issues	$ 20,000	$ 8,000
Gain (Loss) on Sale of Previously Unissued Stock by Subsidiary or Equity Investee, Nonoperating Income		$ 8,000