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Goodwill And Other Intangible Assets (Summary Of Acquired Intangible Assets) (Details) (USD $)
12 Months Ended
Oct. 31, 2012
Oct. 31, 2011
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount $ 2,469,802 $ 2,469,802
Accumulated amortization (2,367,968) (2,234,466)
Developed Technology [Member]
   
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount 2,373,447 2,373,447
Weighted- average amortization period 1 year 3 months 18 days 1 year 10 months 24 days
Accumulated amortization (2,310,155) (2,195,924)
Customer List [Member]
   
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount 96,355 96,355
Weighted- average amortization period 2 years 3 years
Accumulated amortization $ (57,813) $ (38,542)