Note 11 - Capital Stock - Warrants Outstanding and Exercisable (Details) - $ / shares	3 Months Ended
	Oct. 31, 2024	Jul. 31, 2024
Weighted Average Exercise Price (in dollars per share)	$ 4.13	$ 3.29
Number of Warrants Outstanding (in shares)	159,091	1,265,319
Warrants 1 [Member]
Weighted Average Exercise Price (in dollars per share)	$ 4.13
Number of Warrants Outstanding (in shares)	159,091
Weighted Average Remaining Contractual Life (Year)	1 year 5 months 4 days
Expiry Date	Apr. 05, 2026