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Note 6 - Long-term Debt and Notes Payable - Long-term Debt (Details) - USD ($)	Jan. 31, 2022	Oct. 31, 2021
Long-term debt	$ 4,773,854	$ 4,853,451
Less current installments	328,130	324,840
Long-term debt, excluding current installments	4,445,724	4,528,611
Virginia Real Estate Loan [Member]
Long-term debt	3,842,812	3,899,076
North Carolina Real Estate Loan [Member]
Long-term debt	$ 931,042	$ 954,375

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.

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