Note 8 - Loan and Credit Agreements - Summary Of Term Debt (Details) - USD ($)	May 31, 2017	Nov. 30, 2016
Term debt	$ 3,481,885	$ 3,911,000
Less current portion of term debt	2,526,581	1,807,937
Term debt of discontinued operations	650,911	715,945
Term debt, excluding current portion	304,393	1,387,118
US Bank Loan 2 [Member]
Term debt	575,192	632,126
US Bank Loan 3 [Member]
Term debt	650,911	715,945
US Bank Loan 4 [Member]
Term debt	652,446	808,096
US Bank Loan 5 [Member]
Term debt	271,825	337,147
US Bank Loan 6 [Member]
Term debt	887,164	904,751
Iowa Finance Authority Term Loan [Member]
Term debt	$ 444,347	$ 512,935

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-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
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19,20)
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+ References

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-Name Accounting Standards Codification
-Topic 210
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