Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jul. 31, 2016	Oct. 31, 2015
Consolidated Balance Sheets [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 99	$ 117
Inventories, obsolescence reserve	218	288
Property and equipment, accumulated depreciation	$ 4,704	$ 4,431
Common stock, par value	$ 0.10	$ 0.10
Common stock, shares authorized	25,000,000	25,000,000
Common stock, shares issued	4,379,078	4,324,379
Common stock, shares outstanding	4,336,581	4,274,386
Undesignated shares, shares authorized	5,000,000	5,000,000
Undesignated shares, shares issued	0	0
Undesignated shares, shares outstanding	0	0