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Note 5 - Accrued Expenses (Tables) | 6 Months Ended
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May 31, 2014
Payables and Accruals [Abstract] |
Schedule of Accrued Liabilities [Table Text Block] |
|  |  | May 31, 2014 |  |  |  |  | November 30, 2013 |  |
Salaries, wages, and commissions |  | $ | 747,568 |  |  |  | $ | 836,200 |  |
Accrued warranty expense |  |  | 229,400 |  |  |  |  | 220,719 |  |
Other |  |  | 607,917 |  |  |  |  | 661,556 |  |
|  | $ | 1,584,885 |  |  |  | $ | 1,718,475 |  |

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- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
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