Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Oct. 31, 2011	Oct. 31, 2010
Consolidated Balance Sheets [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 96	$ 100
Inventories, obsolescence reserve	431	599
Property and equipment, accumulated depreciation	$ 3,735	$ 3,649
Common stock, par value	$ 0.1	$ 0.1
Common stock, shares authorized	25,000,000	25,000,000
Common stock, shares issued	3,905,648	3,862,113
Common stock, shares outstanding	3,778,796	3,747,454
Undesignated shares, shares authorized	5,000,000	5,000,000
Undesignated shares, shares issued	0	0
Undesignated shares, shares outstanding	0	0