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Note 7 - Long-term Debt and Note Payable to Bank - Long-term Debt (Details) - USD ($)	Oct. 31, 2018	Oct. 31, 2017
Long-term Loan	$ 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
Virginia Real Estate Loan [Member]
Long-term Loan	4,774,252	4,960,738
North Carolina Real Estate Loan [Member]
Long-term Loan	$ 1,645,332	$ 1,709,595

X

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(3)
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X

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

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- Definition

Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

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