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

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- Definition Those actual material, labor and overhead costs incurred on all uncompleted contracts. + References No definition available. + Details
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- Definition Liability attributable to (i) billings in excess of costs under the percentage of completion contract accounting method representing the difference between contractually invoiced amounts (billings) and revenue recognized based, for example, on costs incurred to estimated total costs at period end or (ii) contractually invoiced amounts (billings) in excess of costs incurred and accumulated under the completed contract accounting method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 35 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6802688&loc=d3e57788-111642 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 35 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6802688&loc=d3e57807-111642 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 35 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6802688&loc=d3e57795-111642 + Details
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