Stockholders’ Equity (Details Narrative) - USD ($)	1 Months Ended		3 Months Ended		6 Months Ended
	Jan. 31, 2021	Feb. 29, 2016	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2024	Jan. 31, 2023	Jul. 31, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based compensation					$ 144,000	$ 169,000
Weighted average contractual term					7 years 4 months 24 days
Options issued to purchase common stock exercisable			7,429,792		7,429,792
Weighted average exercise price			$ 0.44		$ 0.44
Weighted average contractual term					7 years 1 month 6 days
Unrecognized non-cash compensation costs			$ 75,000		$ 75,000
Unrecognized non-cash compensation costs for weighted average contractual term grants					7 months 13 days
Employees Officers Directors and Consultants [Member] | Equity Option [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Options granted			0	0	2,000,000
Fair value of options issued to purchase common stock					$ 197,000
Option vested description					The vesting terms of the options vary between one and two years and carry a ten-year term.
2007 Equity Incentive Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock shares increase under the plan		4,000,000
Share-based compensation, expiration date		Feb. 04, 2026
Share-based compensation, vesting period		10 years
Number of shares available for issuance under the plan			1,021,000		1,021,000
2017 Equity Incentive Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock shares increase under the plan	5,000,000
Share-based compensation, vesting period	10 years
Number of shares available for issuance under the plan			3,046,000		3,046,000
Options granted					2,000,000
Restricted Stock Units (RSUs) [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based compensation					$ 0	$ 42,000
Number of units, vested and issuable			712,500		712,500		712,500
Restricted stock units vested description					These RSUs are issued upon settlement date which is defined as “for each Vested Unit, the earliest of (i) the ten-year anniversary of the Grant Date; (ii) sixty days after the date the Grantee’s Service ceases for any reason and such cessation constitutes a “separation from service” within the meaning of Section 409A of the Code; (iii) the date of Grantee’s death or (iv) the date of a Change in Control that constitutes a “change in control event” within the meaning of Section 409A of the Code”.
Restricted Stock Units (RSUs) [Member] | Vested and Issuable [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of units, vested and issuable			712,500		712,500		712,500