2. Basis of Presentation and Significant Accounting Policies: Net Income Per Share Information: Schedule of Earnings per share basic and diluted (Details) - shares	3 Months Ended		9 Months Ended
	Jul. 31, 2017	Jul. 31, 2016	Jul. 31, 2017	Jul. 31, 2016
Details
Weighted average number of common shares outstanding - basic	7,696,091	7,690,199	7,693,069	7,676,170
Effect of dilutive stock options		61,284		49,163
Weighted average number of common shares outstanding - diluted	7,696,091	7,751,483	7,693,069	7,725,333
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	1,454,000	917,500	1,454,000	991,500