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Note 9 - Loan and Credit Agreements (Tables) | 12 Months Ended
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Nov. 30, 2015
Notes Tables |
Schedule of Debt [Table Text Block] |
|  | November 30, 2015 |  |  | November 30, 2014 |
U.S. Bank loan payable in monthly installments of $42,500 including interest at 2.98%, due May 1, 2018 |  | $ | 1,196,088 |  |  | $ | 1,662,311 |
U.S. Bank loan payable in monthly installments of $11,000 including interest at 2.98%, due May 1, 2018 |  |  | 743,149 |  |  |  | 850,930 |
U.S. Bank loan payable in monthly installments of $12,550 including interest at 2.98%, due May 1, 2018 |  |  | 842,769 |  |  |  | 965,889 |
U.S. Bank loan payable in monthly installments of $27,800 including interest at 2.98%, due May 1, 2018 |  |  | 1,112,205 |  |  |  | 1,407,366 |
U.S. Bank loan payable in monthly installments of $11,700 including interest at 3.15%, due May 10, 2017 |  |  | 464,605 |  |  |  | 588,101 |
U.S. Bank loan payable in monthly installments of $5,556 including interest at 2.98%, due May 25, 2017 |  |  | 943,381 |  |  |  | 980,940 |
Iowa Finance Authority loan payable in monthly installments of $12,500 including interest at 2.75%, due June 1, 2020 |  |  | 647,132 |  |  |  | 777,689 |
Total term debt |  | $ | 5,949,329 |  |  | $ | 7,233,226 |
Less current portion of term debt |  |  | 1,322,662 |  |  |  | 1,283,897 |
Term debt, excluding current portion |  | $ | 4,626,667 |  |  | $ | 5,949,329 |
Schedule of Maturities of Long-term Debt [Table Text Block] |
Year: |  | Amount |
2016 |  | $ | 1,322,662 |
2017 |  |  | 2,433,938 |
2018 |  |  | 1,947,128 |
2019 |  |  | 145,585 |
2020 |  |  | 110,016 |
2021 and thereafter |  |  | - |
|  | $ | 5,959,329 |

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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