Liquidity and Going Concern (Details) $ in Millions	3 Months Ended	6 Months Ended
	Jan. 31, 2023 USD ($)	Jan. 31, 2023 USD ($)
Liquidity and Going Concern [Abstract]
Net loss from continuing operations	$ 0.8	$ 0.7
Net loss	1.4	2.3
Operating cash outflows from continuing operations	0.7	0.7
Cash and short-term investment	0.8	0.8
Current liabilities	2.5	$ 2.5
Consulting service fees, description		Currently the Company had four service-in-progress agreements, and expected to collect consulting service fees of $2.4 million for the next 12 months.
Cash	$ 0.8	$ 0.8