9. Stock-Based Compensation: Schedule of Share-Based Compensation Expense (Tables)

12 Months Ended

Oct. 31, 2021

Tables/Schedules

Schedule of Share-Based Compensation Expense

	2021	2020
Cost of revenues	$ 7,000	$ 11,000
Research and development	$ 3,000	$ 74,000
Selling, general and administrative	$ 213,000	$ 382,000
	$ 223,000	$ 467,000