Condensed Statements of Comprehensive Income (Loss) (USD $)
3 Months Ended
Jan. 31, 2015
Jan. 31, 2014
Net Income $ 2,378,077 $ 7,753,542
Other Comprehensive Income    
Unrealized loss on restricted marketable securities 0 (1,480)
Comprehensive Income $ 2,378,077 $ 7,752,062