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Note 7 - Loan and Credit Agreements (Tables) | 9 Months Ended
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Aug. 31, 2013
Debt Disclosure [Abstract] |
Schedule of Debt [Table Text Block] |
|  | August 31, 2013 |  |  | November 30, 2012 |
U.S. Bank loan payable in monthly installments of $42,500 including interest at 2.98%, due May 1, 2018 (November 30, 2012 is West Bank loan amount) |  | $ | 2,225,507 |  |  | $ | 2,435,359 |
U.S. Bank loan payable in monthly installments of $11,000 including interest at 2.98%, due May 1, 2018 (November 30, 2012 is West Bank loan amount) |  |  | 981,100 |  |  |  | 1,027,330 |
U.S. Bank loan payable in monthly installments of $12,550 including interest at 2.98%, due May 1, 2018 (November 30, 2012 is West Bank loan amount) |  |  | 1,114,586 |  |  |  | 1,167,725 |
U.S. Bank loan payable in monthly installments of $27,800 including interest at 2.98%, due May 1, 2018 (November 30, 2012 is West Bank loan amount) |  |  | 1,763,897 |  |  |  | 1,875,120 |
U.S. Bank loan payable in monthly installments of $11,700 including interest at 3.15%, due May 10, 2017 |  |  | 736,983 |  |  |  | 823,555 |
Iowa Finance Authority loan payable in monthly installments of $12,500 including interest at 2.75%, due June 1, 2020 |  |  | 935,733 |  |  |  | 1,027,366 |
IDED loan payable in monthly installments of $2,437 including interest at 6%, due June 1, 2014 |  |  | 21,402 |  |  |  | 41,866 |
IDED loan payable in monthly installments of $813 including interest at 0%, due June 1, 2014 |  |  | 7,324 |  |  |  | 14,649 |
IDED loan payable in monthly installments of $0 including interest at 0% originally due July 1, 2014, forgiven in full July 31, 2013 |  |  | 0 |  |  |  | 48,830 |
West Union Community Development Corporation loan payable in annual installments of $4,333 including interest at 0% originally due September 1, 2013, repaid in full August 21, 2013 |  |  | 0 |  |  |  | 4,334 |
Total term debt |  | $ | 7,786,532 |  |  | $ | 8,466,134 |
Less current portion of term debt |  |  | 1,229,308 |  |  |  | 1,165,177 |
Term debt, excluding current portion |  | $ | 6,557,224 |  |  | $ | 7,300,957 |

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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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