Condensed Consolidated Statement of Stockholders' Equity (Deficiency) (Unaudited) - 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		169,000		169,000
Share-based compensation expense - restricted stock units		42,000		42,000
Net loss			(2,053,000)	(2,053,000)
Balance at Jan. 31, 2023	$ 1,114,000	132,290,000	(131,337,000)	2,067,000
Balance, shares at Jan. 31, 2023	111,356,473
Balance at Oct. 31, 2022	$ 1,114,000	132,163,000	(130,277,000)	3,000,000
Balance, shares at Oct. 31, 2022	111,356,473
Share-based compensation expense - stock options		106,000		106,000
Share-based compensation expense - restricted stock units		21,000		21,000
Net loss			(1,060,000)	(1,060,000)
Balance at Jan. 31, 2023	$ 1,114,000	132,290,000	(131,337,000)	2,067,000
Balance, shares at Jan. 31, 2023	111,356,473
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		144,000		144,000
Share-based compensation expense - restricted stock units
Net loss			(1,737,000)	(1,737,000)
Balance at Jan. 31, 2024	$ 1,119,000	132,542,000	(134,982,000)	(1,321,000)
Balance, shares at Jan. 31, 2024	111,856,473
Balance at Oct. 31, 2023	$ 1,119,000	132,478,000	(133,980,000)	(383,000)
Balance, shares at Oct. 31, 2023	111,856,473
Share-based compensation expense - stock options		64,000		64,000
Share-based compensation expense - restricted stock units
Net loss			(1,002,000)	(1,002,000)
Balance at Jan. 31, 2024	$ 1,119,000	$ 132,542,000	$ (134,982,000)	$ (1,321,000)
Balance, shares at Jan. 31, 2024	111,856,473