CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Oct. 31, 2016	Oct. 31, 2015
Accounts receivable, allowance for doubtful accounts	$ 664	$ 739
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, stated value per share	$ 0.10	$ 0.10
Common stock, shares authorized	12,500,000	12,500,000
Common stock, shares issued	6,720,453	6,650,517
Common stock, shares outstanding	6,573,103	6,551,718