Reconciliation of Numerator and Denominator of the basic and diluted earnings per share computation (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2017	Jul. 31, 2016	Jul. 31, 2017	Jul. 31, 2016
Equity [Abstract]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount			7	481
Net income (loss)	$ (1,982)	$ (678)	$ 229	$ (1,596)
Basic weighted average shares	18,559	17,614	18,048	17,614
Effect of dilutive securities:
Stock options	0	0	25	0
Diluted weighted average shares	18,559	17,614	18,073	17,614
Basic income (loss) per share	$ (0.11)	$ (0.04)	$ 0.01	$ (0.09)
Diluted income (loss) per share	$ (0.11)	$ (0.04)	$ 0.01	$ (0.09)