Consolidated Statements of Operations and Comprehensive Loss (Parentheticals) - $ / shares	12 Months Ended
	Jul. 31, 2022	Jul. 31, 2021
Income Statement [Abstract]
Loss Per share – basic and diluted	$ (0.31)	$ (0.90)
Loss Per share from continuing operations – basic and diluted	(0.31)	(0.26)
Loss Per share from discontinued operations – basic and diluted		$ (0.64)
Basic and diluted (in Shares)	9,511,045	9,483,010