CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Oct. 31, 2017	Oct. 31, 2016
Accounts receivable, allowance for doubtful accounts	$ 639	$ 664
Preferred stock, no par value	$ 0	$ 0
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	0	0
Common Stock, No Par Value	$ 0	$ 0
Common stock, stated value per share	$ 0.10	$ 0.10
Common stock, shares authorized	12,500,000	12,500,000
Common stock, shares issued	6,799,006	6,720,453
Common stock, shares outstanding	6,641,197	6,573,103