Consolidated Statements of Stockholders' Equity (Deficiency) - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance at Jul. 31, 2022	$ 1,114,000	$ 132,079,000	$ (129,284,000)	$ 3,909,000
Balance, shares at Jul. 31, 2022	111,356,473
Share-based compensation expense - stock options		262,000		262,000
Share-based compensation expense - restricted stock units		62,000		62,000
Issuance of common stock for vested restricted stock units	$ 5,000	(5,000)
Issuance of common stock for vested restricted stock units, shares	500,000
Net loss			(3,961,000)	(3,961,000)
Balance at Jul. 31, 2023	$ 1,119,000	132,398,000	(133,245,000)	272,000
Balance, shares at Jul. 31, 2023	111,856,473
Share-based compensation expense - stock options		214,000		214,000
Net loss			(3,350,000)	(3,350,000)
Balance at Jul. 31, 2024	$ 1,119,000	$ 132,612,000	$ (136,595,000)	$ (2,864,000)
Balance, shares at Jul. 31, 2024	111,856,473