Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jul. 31, 2013	Oct. 31, 2012
Consolidated Balance Sheets [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 102	$ 98
Inventories, obsolescence reserve	310	373
Property and equipment, accumulated depreciation	$ 4,047	$ 3,876
Common stock, par value	$ 0.10	$ 0.10
Common stock, shares authorized	25,000,000	25,000,000
Common stock, shares issued	4,111,794	3,986,350
Common stock, shares outstanding	4,037,300	3,885,279
Undesignated shares, shares authorized	5,000,000	5,000,000