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Note 5 - Accrued Expenses (Tables) | 6 Months Ended
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May 31, 2013
Accounts Payable and Accrued Liabilities Disclosure [Text Block] |
Schedule of Accrued Liabilities [Table Text Block] |
|  | May 31, 2013 |  |  | November 30, 2012 |
Salaries, wages, and commissions |  | $ | 1,043,989 |  |  | $ | 924,123 |
Accrued warranty expense |  |  | 526,981 |  |  |  | 578,864 |
Other |  |  | 388,990 |  |  |  | 457,253 |
|  | $ | 1,959,960 |  |  | $ | 1,960,240 |

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