DISCONTINUED OPERATION (Tables)

6 Months Ended

Jan. 31, 2020

Discontinued Operations and Disposal Groups [Abstract]

Schedule of discontinued operations

	Three Months Ended					Six Months Ended
	January 31,					January 31,
	2020		2019			2020		2019
Revenue	$	—	$	—		$	—	$	—
Cost of revenue		—		—			—		—
Inventory valuation reserve		—		(404,350	)		—		(404,350	)
Gross profit		—		(404,350	)		—		(404,350	)
General and administrative		—		(9,000	)		—		(27,520	)
Stock-based compensation		—		(28,125	)		—		(46,875	)
Operating loss		—		(441,475	)		—		(478,745	)
Income tax provision		—		—			—		—
Loss from discontinued operations, net of tax	$	—	$	(441,475	)	$	—	$	(478,745	)

	January 31,		July 31,
	2020		2019
Liabilities from discontinued operations
Advance from customer	$	19,500	$	19,500