Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Oct. 31, 2013	Oct. 31, 2012
Statement Of Financial Position [Abstract]
Allowances of accounts receivable	$ 1,697	$ 3,221
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	100,000	100,000
Common stock, shares outstanding	15,720	14,824