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Note 7 - Long-term Debt and Note Payable to Bank (Tables) | 12 Months Ended
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Oct. 31, 2018
Notes Tables |
Schedule of Debt [Table Text Block] |
|  | October 31, |
|  | 2018 |  |  | 2017 |
Virginia Real Estate Loan ($6.5 million original principal) payable in monthly installments of $31,812, including interest (at 3.95%), with final payment of $3,644,211 due May 1, 2024 |  | $ | 4,774,252 |  |  | $ | 4,960,738 |
North Carolina Real Estate Loan ($2.24 million original principal) payable in monthly installments of $10,963, including interest (at 3.95%), with final payment of $1,255,850 due May 1, 2024 |  |  | 1,645,332 |  |  |  | 1,709,595 |
Total long-term debt |  |  | 6,419,584 |  |  |  | 6,670,333 |
Less current installments |  |  | 260,954 |  |  |  | 250,726 |
Long-term debt, excluding current installments |  | $ | 6,158,630 |  |  | $ | 6,419,607 |

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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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Period Type: | duration

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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