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Note 4 - Cost and Estimated Earnings on Uncompleted Contracts | 12 Months Ended
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Dec. 31, 2017
Notes to Financial Statements |
Long-term Contracts or Programs Disclosure [Text Block] | NOTE 4 — COST AND ESTIMATED EARNINGS ON UNCOMPLETED CONTRACTS Cost and estimated earnings on uncompleted contracts consist of the following:
|  | December 31, |
|  | 2017 |  |  | 2016 |
|  | (Dollars in thousands) |
Costs and estimated earnings incurred on uncompleted contracts |  | $ | 550,823 |  |  | $ | 402,357 |
Less billings to date |  |  | (530,119 | ) |  |  | (381,789 | )
Total |  | $ | 20,704 |  |  | $ | 20,568 |
These amounts are included in the consolidated balance sheets under the following captions:
|  | December 31, |
|  | 2017 |  |  | 2016 |
|  | (Dollars in thousands) |
Costs and estimated earnings in excess of billings on uncompleted contracts |  | $ | 40,945 |  |  | $ | 52,198 |
Billings in excess of costs and estimated earnings on uncompleted contracts |  |  | (20,241 | ) |  |  | (31,630 | )
Total |  | $ | 20,704 |  |  | $ | 20,568 |
The completion costs of the Company ’s construction contracts are subject to estimation. Due to uncertainties inherent in the estimation process, it is reasonably possible that estimated contract earnings will be further revised in the near term.

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- Definition The entire disclosure for long-term contracts or programs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -URI http://asc.fasb.org/topic&trid=2122208 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 35 -URI http://asc.fasb.org/subtopic&trid=2197326 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 912 -URI http://asc.fasb.org/topic&trid=2145070 + Details
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