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Goodwill And Other Intangible Assets (Tables)
12 Months Ended
Oct. 31, 2012
Goodwill And Other Intangible Assets [Abstract]  
Summary Of Acquired Intangible Assets
    October 31, 2012
      Weighted-      
    Gross average      
    carrying amortization   Accumulated  
    amount period in years   amortization  
Amortizing intangible assets:            
Developed technology $ 2,373,447 1.3 $ (2,310,155 )
Customer list   96,355 2.0   (57,813 )
Total $ 2,469,802   $ (2,367,968 )

 

    October 31, 2011
      Weighted-      
    Gross average      
    carrying amortization   Accumulated  
    amount period in years   amortization  
Amortizing intangible assets:            
Developed technology $ 2,373,447 1.9 $ (2,195,924 )
Customer list   96,355 3.0   (38,542 )
Total $ 2,469,802   $ (2,234,466 )