CONDENSED CONSOLIDATED BALANCE SHEETS [PARENTHETICAL] (USD $)	Apr. 30, 2011	Oct. 31, 2010
Preferred Stock, par value	$ 0.01	$ 0.01
Preferred Stock, share authorized	10,000,000	10,000,000
Preferred Stock, share issued	0	0
Common Stock
Common Stock, par value	$ 0.01	$ 0.01
Common Stock, shares authorized	30,000,000	30,000,000
Common Stock, shares issued	16,727,863	16,407,506
Common stock, shares outstanding	16,727,863	16,407,506
Class A Common Stock
Common Stock, par value	$ 0.01	$ 0.01
Common Stock, shares authorized	30,000,000	30,000,000
Common Stock, shares issued	24,987,301	24,829,465
Common stock, shares outstanding	24,987,301	24,829,465
Series B Junior Participating Preferred Stock
Preferred Stock, share authorized	300,000	300,000
Preferred Stock, share issued	0	0
Series C Junior Participating Preferred Stock
Preferred Stock, share authorized	300,000	300,000
Preferred Stock, share issued	0	0