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Income Taxes (Narrative) (Details) (USD $)
 12 Months Ended
Oct. 31, 2012
Oct. 31, 2011
Oct. 31, 2012
AOS Acquisition [Member]
Oct. 31, 2010
AOS Acquisition [Member]
Oct. 31, 2009
AOS Acquisition [Member]
U.S. Federal statutory income tax rate 34.00%        
Accrued interest related to unrecognized tax benefits $ 2,144 $ 14,392      
Accrued penalties related to unrecognized tax benefits (7,514) 6,761      
Accrued interest and penalties related to uncertain tax positions 95,283 100,653      
Unrecognized tax benefits that would affect the effective tax rate if recognized 128,573 119,883      
Purchase price adjustment to deferred tax assets       642,201  
Deferred tax assets 3,231,357 2,930,755     1,038,335
Net operating loss carryforwards 951,397 1,140,133     851,551
Operating loss carryforwards $ 1,517,605   $ 666,054