9. Stock-Based Compensation: Schedule of Share-Based Compensation Expense (Details) - USD ($)	12 Months Ended
Oct. 31, 2021	Oct. 31, 2020
Stock-based compensation	$ 222,767	$ 466,997
Share-Based Compensation Expense (Rounded)	223,000	467,000
Cost of Sales
Stock-based compensation	7,000	11,000
Research and Development Expense
Stock-based compensation	3,000	74,000
Selling, General and Administrative Expenses
Stock-based compensation	$ 213,000	$ 382,000

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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