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Note 4 - Contracts in Progress (Tables) | 12 Months Ended
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Nov. 30, 2013
Contractors [Abstract] |
Schedule of Long-term Contracts [Table Text Block] |
|  | Cost and Profit in Excess of Billings |  |  | Billings in Excess of Costs and Profit |
November 30, 2013 |  |  |  |  |  |  |  |
Costs |  | $ | 326,560 |  |  | $ | 115,789 |
Estimated earnings |  |  | 106,848 |  |  |  | 21,470 |
|  |  | 433,408 |  |  |  | 137,259 |
Less: amounts billed |  |  | (391,170 | ) |  |  | (154,980 | )
|  | $ | 42,238 |  |  | $ | (17,721 | )
November 30, 2012 |  |  |  |  |  |  |  |
Costs |  | $ | 127,858 |  |  | $ | 4,994,950 |
Estimated earnings |  |  | 42,200 |  |  |  | 2,932,023 |
|  |  | 170,058 |  |  |  | 7,926,973 |
Less: amounts billed |  |  | (68,000 | ) |  |  | (9,052,639 | )
|  | $ | 102,058 |  |  | $ | (1,125,666 | )

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