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Liquidity and Going Concern (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Oct. 31, 2022
Jul. 31, 2021
Liquidity and Going Concern [Abstract]    
Net loss from continuing operations $ 0.1 $ 0.9
Operating cash outflows from continuing operations 0.4 $ 0.2
Cash and short-term investment 1.9  
Current liabilities $ 3.3  
Consulting service fees, description Currently the Company had three service-in-progress agreements, and expected to collect consulting service fees of $2.5 million for the next 12 months. The Company also had $2.7 million receivable from buyers of LGC in connection with the disposal of LGC which will be due in early 2023.  
Cash $ 1.9