Condensed Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Share data	Jul. 31, 2011	Oct. 31, 2010
Allowance for doubtful accounts	$ 189	$ 209
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	25,000,000	25,000,000
Common stock, shares issued	16,754,596	16,567,459
Common stock, shares outstanding	16,754,596	16,567,459
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0