CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Apr. 30, 2014	Oct. 31, 2013
Trade accounts receivable, allowance for doubtful accounts	$ 67	$ 103
Common stock, authorized	20,000,000	20,000,000
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares issued	8,242,892	8,075,124
Common stock, shares outstanding	8,242,892	8,075,124