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Note 6 - Long-term Debt and Notes Payable to Bank - Long-term Debt (Details) - USD ($)	Jul. 31, 2019	Oct. 31, 2018
Long-term Loan	$ 6,224,335	$ 6,419,584
Less current installments	768,201	260,954
Long-term debt, excluding current installments	5,456,134	6,158,630
Virginia Real Estate Loan [Member]
Long-term Loan	4,629,043	4,774,252
North Carolina Real Estate Loan [Member]
Long-term Loan	$ 1,595,292	$ 1,645,332

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
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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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