Liquidity and Going Concern (Details Narrative) - USD ($)	3 Months Ended		9 Months Ended
	Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2025	Apr. 30, 2024	Jan. 31, 2025	Jul. 31, 2024	Jan. 31, 2024	Jul. 31, 2023
Liquidity And Going Concern
Stockholders deficiency	$ 4,814,000	$ 2,146,000	$ 4,814,000	$ 2,146,000	$ 4,267,000	$ 2,864,000	$ 1,321,000	$ (272,000)
Net loss	580,000	857,000	2,067,000	2,594,000
Net revenue	491,000	441,000	1,438,000	1,489,000
Cash used in operating activities			1,559,000	1,938,000
Cash balance	$ 540,000	$ 442,000	$ 540,000	$ 442,000		$ 349,000