Note 5 - Common Stock Transaction (Details Textual)		9 Months Ended
	Apr. 30, 2024 shares	Apr. 30, 2024 USD ($) shares
Sale of Stock, Number of Shares Issued in Transaction | shares	3,666,667	3,241,666
Gain (Loss) on Sale of Previously Unissued Stock by Subsidiary or Equity Investee, Nonoperating Income | $		$ 48,625
Common Stock, Shares Not Issued | shares	1,666,666	1,666,666
Common Stock, Value, Not Issued | $		$ 25,000