Note 6 - Crypto Assets (Bitcoin) (Details Textual)	1 Months Ended	12 Months Ended
	Jan. 31, 2026	Jul. 31, 2026 USD ($)	Jul. 31, 2025 USD ($)
Crypto Asset, Purchase, Units	0.50096
Crypto Asset, Number of Units		0.50096
Crypto Asset, Fair Value		$ 31,476	$ 0
Crypto Asset, Unrealized Loss, Nonoperating		$ (10,663)	$ 0