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Note 5 - Contracts in Progress (Tables) | 12 Months Ended
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Nov. 30, 2016
Notes Tables |
Costs in Excess of Billings and Billings in Excess of Costs [Table Text Block] |
|  | Cost and Profit in |  |  | Billings in Excess of |
|  | Excess of Billings |  |  | Costs and Profit |
November 30, 2016 |  |  |  |  |  |  |  |
Costs |  | $ | 121,118 |  |  | $ | 159,717 |
Estimated earnings |  |  | 27,231 |  |  |  | 65,471 |
|  |  | 148,349 |  |  |  | 225,188 |
Less: amounts billed |  |  | (40,000 | ) |  |  | (229,485 | )
|  | $ | 108,349 |  |  | $ | (4,297 | )
November 30, 2015 |  |  |  |  |  |  |  |
Costs |  | $ | 233,544 |  |  | $ | 695,915 |
Estimated earnings |  |  | 75,822 |  |  |  | 227,442 |
|  |  | 309,366 |  |  |  | 923,357 |
Less: amounts billed |  |  | (102,694 | ) |  |  | (1,010,215 | )
|  | $ | 206,672 |  |  | $ | (86,858 | )

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- Definition Tabular disclosure for billings on uncompleted contracts in excess of costs and costs of uncompleted contracts in excess of billings. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration