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Note 7 - Long-term Debt and Notes Payable - Long-term Debt (Details) - USD ($)	Oct. 31, 2020	Oct. 31, 2019
Long-term Loan	$ 5,165,566	$ 5,908,623
Less current installments	312,109	738,955
Long-term debt, excluding current installments	4,853,457	5,169,668
Virginia Real Estate Loan [Member]
Long-term Loan	4,119,850	4,580,173
North Carolina Real Estate Loan [Member]
Long-term Loan	$ 1,045,716	$ 1,328,450

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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