Unaudited Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Parentheticals) - $ / shares	3 Months Ended		6 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2023	Jan. 31, 2022
Income Statement [Abstract]
(Earnings) loss per share – diluted	$ 0.08	$ (0.11)	$ 0.07	$ (0.23)
Diluted	9,627,452	9,566,983	9,627,452	9,399,692