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1. Description of Business and Significant Accounting Policies: Net Income/(Loss) per Share Information: Schedule of earnings per share calculations (Details) - shares
12 Months Ended
Oct. 31, 2021
Oct. 31, 2020
Details    
Weighted average number of common shares outstanding - basic 7,712,091 7,710,561
Effect of dilutive stock options 39,897 0
Weighted average number of common shares outstanding - diluted 7,751,988 7,710,561
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 1,277,500 1,690,000