Computation of Basic and Diluted Weighted Average Shares Outstanding (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Oct. 31, 2017	Oct. 31, 2016
Numerators:
Consolidated net income (loss) (A)	$ 382	$ (4,089)
Denominators:
Weighted average shares outstanding for basic earnings (loss) per share (B)	8,840,895	8,786,510
Add effects of potentially dilutive securities - assumed exercise of stock options	74,869	0
Weighted average shares outstanding for diluted earnings (loss) per share (C)	8,915,764	8,786,510
Basic earnings (loss) per share (A)/(B)	$ 0.04	$ (0.47)
Diluted earnings (loss) per share (A)/(C)	$ 0.04	$ (0.47)