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Costs, Estimated Earnings, and Related Billings on Uncompleted Contracts | 12 Months Ended
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Dec. 31, 2017
Contractors [Abstract] |
Costs, Estimated Earnings, and Related Billings on Uncompleted Contracts | (4) Costs, Estimated Earnings, and Related Billings on Uncompleted Contracts Contracts in progress at December 31, 2017 and 2016 consisted of the following:
| 2017 |  |  | 2016 |
| (in thousands) |
Costs incurred on uncompleted contracts | $ | 32,488 |  |  | $ | 26,340 |
Estimated earnings |  | 6,172 |  |  |  | 1,193 |
|  | 38,660 |  |  |  | 27,533 |
Billings on uncompleted contracts |  | (34,018 | ) |  |  | (21,912 | )
| $ | 4,642 |  |  | $ | 5,621 |
Costs, estimated earnings, and related billing on uncompleted contracts consisted of the following at December 31, 2017 and 2016:
| 2017 |  |  | 2016 |
| (in thousands) |
Cost and estimated earnings in excess of billings on uncompleted contracts | $ | 6,434 |  |  | $ | 5,829 |
Billings in excess of costs and estimated earnings on uncompleted contracts |  | (1,792 | ) |  |  | (208 | )
| $ | 4,642 |  |  | $ | 5,621 |

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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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