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Long-Term Debt And Note Payable To Bank (Schedule Of Debt) (Details) (USD $)
12 Months Ended
Oct. 31, 2012
Oct. 31, 2011
Debt Instrument [Line Items]    
Total long-term debt $ 8,003,419 $ 8,190,904
Less current installments 247,739 190,593
Long-term debt, excluding current installments 7,755,680 8,000,311
Virginia Real Estate Loan [Member]
   
Debt Instrument [Line Items]    
Total long-term debt 5,952,200 6,091,633
Debt instrument, principal amount 6,500,000  
Debt instrument, periodic payment 36,426  
Debt instrument, interest rate, stated percentage 4.25%  
Final payments of debt 4,858,220  
Debt instrument, maturity date Apr. 30, 2018  
North Carolina Real Estate Loan [Member]
   
Debt Instrument [Line Items]    
Total long-term debt 2,051,219 2,099,271
Debt instrument, principal amount 2,240,000  
Debt instrument, periodic payment 12,553  
Debt instrument, interest rate, stated percentage 4.25%  
Final payments of debt $ 1,674,217  
Debt instrument, maturity date Apr. 30, 2018