Consolidated Statements of Operations (Unaudited) (Parentheticals) - $ / shares	3 Months Ended		9 Months Ended
	Apr. 30, 2023	Apr. 30, 2022	Apr. 30, 2023	Apr. 30, 2022
Income Statement [Abstract]
Diluted, net loss per common share	$ (0.31)	$ (0.10)	$ (0.76)	$ (0.20)
Diluted, weighted average common shares outstanding	49,384	48,713	48,944	48,552