CONDENSED CONSOLIDATED BALANCE SHEETS [PARENTHETICAL] (USD $)	Oct. 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
Preferred stock, shares issued	0	0
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	17,054,339	16,407,506
Common stock, shares outstanding	17,054,339	16,407,506
Series B Junior Participating Preferred Stock [Member]
Preferred stock, shares designated	300,000	300,000
Preferred stock, shares issued	0	0
Series C Junior Participating Preferred Stock [Member]
Preferred stock, shares designated	300,000	300,000
Preferred stock, shares issued	0	0
Class A Common Stock [Member]
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	25,022,688	24,829,465
Common stock, shares outstanding	25,022,688	24,829,465