Consolidated Balance Sheets (Parenthetical) (USD $)	Oct. 31, 2011	Oct. 31, 2010
Consolidated Balance Sheets [Abstract]
Property and equipment, accumulated depreciation	$ 2,178,291	$ 2,170,314
Preferred stock, par value	$ 100	$ 100
Preferred stock, shares authorized	500,000	500,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	240,000,000	240,000,000
Common stock, shares issued	176,131,047	153,744,438
Common stock, shares outstanding	176,131,047	153,744,438