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Segment Disclosures (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2017 USD ($) | Sep. 30, 2016 USD ($) | Sep. 30, 2017 USD ($) segment | Sep. 30, 2016 USD ($) | Dec. 31, 2016 USD ($)
Segment Reporting Information [Line Items] |  |  |  |  |
Number of operating divisions | segment |  |  | 3 |  |
Revenue | $ 49,884 | $ 65,384 | $ 133,745 | $ 230,864 |
Gross profit (loss) | (494) | 5,259 | (17,010) | 25,025 |
Operating income (loss) | (4,864) | 173 | (30,339) | 10,392 |
Total assets | 303,380 | 337,212 | 303,380 | 337,212 | $ 322,408
Depreciation and amortization expense | 2,671 | 6,386 | 10,141 | 19,262 |
Capital expenditures | 2,652 | 2,125 | 4,515 | 5,415 |
Recognition of deferred revenue | 510 | 1,500 | 2,397 | 4,114 |
Corporate |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue | 0 | 0 | 0 | 0 |
Gross profit (loss) | (152) | (205) | (500) | (439) |
Operating income (loss) | (2,161) | (1,995) | (6,165) | (5,571) |
Total assets | 364,016 | 332,617 | 364,016 | 332,617 |
Depreciation and amortization expense | 95 | 123 | 421 | 332 |
Capital expenditures | 25 | 14 | 117 | 730 |
Eliminations |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue | (1,159) | (915) | (4,328) | (2,304) |
Gross profit (loss) | 0 | 0 | 0 | 0 |
Operating income (loss) | 0 | 0 | 0 | 0 |
Total assets | (463,533) | (457,285) | (463,533) | (457,285) |
Depreciation and amortization expense | 0 | 0 | 0 | 0 |
Capital expenditures | 0 | 0 | 0 | 0 |
Fabrication | Operating Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue | 18,318 | 22,311 | 42,517 | 70,436 |
Gross profit (loss) | 1,250 | 601 | 216 | 4,564 |
Operating income (loss) | 472 | (284) | (2,216) | 1,743 |
Total assets | 205,463 | 285,320 | 205,463 | 285,320 |
Depreciation and amortization expense | 1,133 | 4,637 | 5,420 | 14,081 |
Capital expenditures | 1,479 | 1,228 | 2,327 | 2,539 |
Shipyards | Operating Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue | 15,074 | 23,060 | 51,798 | 86,553 |
Gross profit (loss) | (3,504) | 1,945 | (19,061) | 9,742 |
Operating income (loss) | (4,392) | 477 | (22,285) | 5,524 |
Total assets | 96,614 | 75,779 | 96,614 | 75,779 |
Depreciation and amortization expense | 1,030 | 1,183 | 3,034 | 3,507 |
Capital expenditures | 1,054 | 318 | 1,872 | 534 |
Services | Operating Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue | 17,651 | 20,928 | 43,758 | 76,179 |
Gross profit (loss) | 1,912 | 2,918 | 2,335 | 11,158 |
Operating income (loss) | 1,217 | 1,975 | 327 | 8,696 |
Total assets | 100,820 | 100,781 | 100,820 | 100,781 |
Depreciation and amortization expense | 413 | 443 | 1,266 | 1,342 |
Capital expenditures | $ 94 | $ 565 | $ 199 | $ 1,612 |

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