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Note 6 - Long-term Debt and Note Payable to Bank (Tables)
9 Months Ended
Jul. 31, 2015
Notes Tables  
Schedule of Debt [Table Text Block]
 
 
July 31,
 
 
October 31,
 
 
 
2015
 
 
2014
 
Virginia Real Estate Loan ($6.5 million original principal) payable in monthly installments of $36,426, including interest (at 4.25%), with final payment of $4,858,220 due April 30, 2018
  $ 5,425,310     $ 5,575,586  
North Carolina Real Estate Loan ($2.24 million original principal) payable in monthly installments of $12,553, including interest (at 4.25%), with final payment of $1,674,217 due April 30, 2018
    1,869,645       1,921,433  
Total long-term debt
    7,294,955       7,497,019  
Less current installments
    277,969       269,996  
Long-term debt, excluding current installments
  $ 7,016,986     $ 7,227,023