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Note 7 - Long-term Debt and Note Payable to Bank (Tables) | 12 Months Ended
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Oct. 31, 2016
Notes Tables |
Schedule of Debt [Table Text Block] |
|  | 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 |  | $ | 5,165,785 |  |  | $ | 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 |  |  | 1,780,209 |  |  |  | 1,852,230 |
Total long-term debt |  |  | 6,945,994 |  |  |  | 7,227,007 |
Less current installments |  |  | 294,214 |  |  |  | 280,999 |
Long-term debt, excluding current installments |  | $ | 6,651,780 |  |  | $ | 6,946,008 |

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration