Share-Based Compensation (Details Narrative) - USD ($)		1 Months Ended			3 Months Ended
	Oct. 04, 2018	Jan. 31, 2021	May 31, 2020	Feb. 29, 2016	Oct. 31, 2021	Oct. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of units, vested					333,333
Unrecognized non-cash compensation costs					$ 354,000
Weighted average contractual term					6 years 2 months 1 day
Options issued to purchase common stock exercisable					5,593,500
Weighted average exercise price					$ 0.72
Share-based compensation					$ 169,000	$ 208,000
Volatility					85.61%
Risk-free interest rate					0.84%
Dividend yield
Expected life					5 years 11 months 26 days	0 years
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					1,552,000
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					3,856,000
Consultant [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock option authorized for issuance					70,000
Fair value of stock option					$ 18,000
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of units, vested					650,000
Unrecognized non-cash compensation costs					$ 123,000
Number of units, granted					0
Restricted Stock Units (RSUs) [Member] | Vested and Issuable [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of units, vested					1,362,500
Restricted Stock Units (RSUs) [Member] | Shares Vested During Period [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost recognized					$ 21,000	$ 21,000
Restricted Stock Units (RSUs) [Member] | Mr Myers [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of units, vested	500,000		500,000