CONDENSED CONSOLIDATED BALANCE SHEETS [PARENTHETICAL] (USD $)	Jul. 31, 2011	Oct. 31, 2010
Preferred Stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred Stock, shares authorized	10,000,000	10,000,000
Common Stock, par value (in dollar per share)	$ 0.01	$ 0.01
Common Stock, shares authorized	30,000,000	30,000,000
Common Stock, shares issued	16,740,363	16,407,506
Common Stock, shares outstanding	16,740,363	16,407,506
Series B Junior Participating Preferred Stock
Preferred Stock, shares authorized	300,000	300,000
Preferred Stock, shares issued	0	0
Series C Junior Participating Preferred Stock
Preferred Stock, shares authorized	300,000	300,000
Preferred Stock, shares issued	0	0
Class A Common Stock
Common Stock, par value (in dollar per share)	$ 0.01	$ 0.01
Common Stock, shares authorized	30,000,000	30,000,000
Common Stock, shares issued	25,010,037	24,829,465
Common Stock, shares outstanding	25,010,037	24,829,465