Note 21 - Net Income (Loss) Per Share - Weighted Average Number of Shares Used in the Calculation of the Basic and Diluted Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jul. 31, 2024	Jul. 31, 2023	Jul. 31, 2022
Net loss for the year	$ (29,221)	$ (3,307)	$ 5,252
Basic Weighted Average Number of Shares (in shares)	397,309,780	364,789,621	271,019,472
Dilutive Effect of Stock Awards and Warrants (in shares)	0	0	9,082,601
Diluted Weighted Average Number of Shares (in shares)	397,309,780	364,789,621	280,102,073
Net Income (Loss) Per Share - Basic (in dollars per share)	$ (0.07)	$ (0.01)	$ 0.02
Net Income (Loss) Per Share - Diluted (in dollars per share)	$ (0.07)	$ (0.01)	$ 0.02