Note 16 - Stock-based Compensation - Summary of Stock Options Assumptions (Details) - $ / shares	12 Months Ended
	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2023
Granted, Nonvested, Weighted Average Grant-Date Fair Value (in dollars per share)	$ 4.88	$ 3.71	$ 2.18
Share-Based Payment Arrangement, Option [Member]
Expected Risk Free Interest Rate	3.81%	4.05%	4.14%	[1]
Expected Volatility	75.66%	78.83%	79.43%	[1]
Expected Life in Years (Year)	5 years	5 years	4 years 10 months 24 days	[1]
Expected Dividend Yield	0.00%	0.00%	0.00%	[1]
Granted, Nonvested, Weighted Average Grant-Date Fair Value (in dollars per share)	$ 4.88	$ 3.71	$ 2.18	[1]

[1] The assumptions used for the fair value measurement of the Replacement Options are excluded in the table below as they have been separately disclosed in Note 3.