Note 9 - Loan and Credit Agreements - Summary of Term Debt (Details) - USD ($)	Feb. 28, 2018	Nov. 30, 2017
Term debt	$ 3,513,404	$ 3,569,491
Less current portion of term debt	222,475	221,230
Term debt of discontinued operations	597,323	599,584
Term debt, excluding current portion	2,693,606	2,748,677
Term Loan Due October 2037 [Member]
Term debt	2,576,273	2,595,007
Term Loan Due October 2019 [Member]
Term debt	597,323	599,584
Iowa Finance Authority Term Loan [Member]
Term debt	$ 339,808	$ 374,900

Amount classified as notes payable attributable to disposal group held for sale or disposed of.

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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

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 210
-Section S99
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-Subparagraph (SX 210.7-03(a)(16))
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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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
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+ References

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