Note 7 - Summary Of Term Debt (Details) - USD ($)	Feb. 29, 2016	Nov. 30, 2015
US Bank Loan 1 [Member]
Term debt		$ 1,196,088
US Bank Loan 2 [Member]
Term debt	$ 715,738	743,149
US Bank Loan 3 [Member]
Term debt	811,457	842,769
US Bank Loan 4 [Member]
Term debt	1,037,083	1,112,205
US Bank Loan 5 [Member]
Term debt	433,142	464,605
US Bank Loan 6 [Member]
Term debt	933,872	943,381
Iowa Finance Authority [Member]
Term debt	613,957	647,132
Term debt	4,545,249	5,949,329
Less current portion of term debt	848,655	1,322,662
Term debt, excluding current portion	$ 3,696,594	$ 4,626,667

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.16)
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 20, 22
-Article 5

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+ References

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Section S99
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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