Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Apr. 30, 2013	Oct. 31, 2012
Consolidated Balance Sheets [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 85	$ 98
Inventories, obsolescence reserve	382	373
Property and equipment, accumulated depreciation	$ 3,980	$ 3,876
Common stock, par value	$ 0.10	$ 0.10
Common stock, shares authorized	25,000,000	25,000,000
Common stock, shares issued	4,083,129	3,986,350
Common stock, shares outstanding	3,998,690	3,885,279
Undesignated shares, shares authorized	5,000,000	5,000,000