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Note 6 - Long-term Debt and Note Payable to Bank (Tables)
3 Months Ended
Jan. 31, 2016
Notes Tables  
Schedule of Debt [Table Text Block]
 
 
January 31,
 
 
October 31,
 
 
 
2016
 
 
2015
 
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
  $ 5,323,685     $ 5,374,777  
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
    1,834,624       1,852,230  
Total long-term debt
    7,158,309       7,227,007  
Less current installments
    284,062       280,999  
Long-term debt, excluding current installments
  $ 6,874,247     $ 6,946,008