Liquidity and Going Concern (Details Narrative) - USD ($)	3 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Jul. 31, 2023	Jul. 31, 2022
Liquidity And Going Concern
Stockholders deficiency	$ 383,000	$ (3,000,000)	$ (272,000)	$ (3,909,000)
Net loss	735,000	993,000
Revenue	722,000	471,000
Net cash provided by (used) in operating activities	440,000	902,000
Cash and cash equivalents	$ 1,440,000	$ 2,452,000	$ 1,095,000