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Note 4 - Cost and Estimated Earnings on Uncompleted Contracts (Tables) | 12 Months Ended
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Dec. 31, 2017
Notes Tables |
Cost And Estimated Earnings On Uncompleted Contracts [Table Text Block] |
|  | 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 |
Cost and Estimated Earnings on Uncompleted Contracts Included in Consolidated Balance Sheets [Table Text Block] |
|  | 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 |

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- Definition The tabular disclosure of cost and estimated earnings on uncompleted contracts. + References No definition available. + Details
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