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Computation of Basic and Diluted Weighted Average Shares Outstanding (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Oct. 31, 2018	Oct. 31, 2017
Numerators:
Consolidated net income (A)	$ 5,846	$ 382
Denominators:
Weighted average shares outstanding for basic earnings per share (B)	9,105,406	8,840,895
Add effects of potentially dilutive securities - assumed exercise of stock options	487,660	74,869
Weighted average shares outstanding for diluted earnings per share (C)	9,593,066	8,915,764
Basic earnings per share (A)/(B)	$ 0.64	$ 0.04
Diluted earnings per share (A)/(C)	$ 0.61	$ 0.04

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