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Discontinued Operations (Notes) | 3 Months Ended
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Mar. 31, 2020
Discontinued Operations and Disposal Groups [Abstract] |
Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] | DISCONTINUED OPERATIONS On March 1, 2018, we closed a series of related transactions that resulted in the disposition of our Offshore Division. As a result, we have accounted for our Offshore Division, consisting of our Offshore Services and Maritech segments, as discontinued operations. See Note 8 - "Commitments and Contingencies" for further discussion. A summary of financial information related to our discontinued operations is as follows: Reconciliation of the Line Items Constituting Pretax Loss from Discontinued Operations to the After-Tax Loss from Discontinued Operations (in thousands)
| Three Months Ended March 31, 2020 |  | Three Months Ended March 31, 2019
| Offshore Services |  | Maritech |  | Total |  | Offshore Services |  | Maritech |  | Total
Major classes of line items constituting pretax loss from discontinued operations |  |  |  |  |  |  |  |  |  |  |
Revenue | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Cost of revenues | (60 | ) |  | — |  |  | (60 | ) |  | 22 |  |  | — |  |  | 22 |
Depreciation, amortization, and accretion | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
General and administrative expense | 205 |  |  | — |  |  | 205 |  |  | 404 |  |  | — |  |  | 404 |
Other (income) expense, net | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Pretax loss from discontinued operations | (145 | ) |  | — |  |  | (145 | ) |  | (426 | ) |  | — |  |  | (426 | )
Pretax loss on disposal of discontinued operations |  |  |  |  | — |  |  |  |  |  |  | — |
Total pretax loss from discontinued operations |  |  |  |  | (145 | ) |  |  |  |  |  | (426 | )
Income tax benefit |  |  |  |  | — |  |  |  |  |  |  | — |
Total loss from discontinued operations |  |  |  |  | $ | (145 | ) |  |  |  |  |  | $ | (426 | )
Reconciliation of Major Classes of Assets and Liabilities of the Discontinued Operations to Amounts Presented Separately in the Statement of Financial Position (in thousands)
| March 31, 2020 |  | December 31, 2019
| Offshore Services |  | Maritech |  | Total |  | Offshore Services |  | Maritech |  | Total
Carrying amounts of major classes of assets included as part of discontinued operations |  |  |  |  |  |  |  |  |  |  |
Trade receivables | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Other current assets | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Assets of discontinued operations | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Carrying amounts of major classes of liabilities included as part of discontinued operations |  |  |  |  |  |  |  |  |  |  |
Trade payables | $ | 1,303 |  |  | $ | — |  |  | $ | 1,303 |  |  | $ | 1,233 |  |  | $ | — |  |  | $ | 1,233 |
Accrued liabilities | 480 |  |  | 228 |  |  | 708 |  |  | 745 |  |  | 120 |  |  | 865 |
Liabilities of discontinued operations | $ | 1,783 |  |  | $ | 228 |  |  | $ | 2,011 |  |  | $ | 1,978 |  |  | $ | 120 |  |  | $ | 2,098 |

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- Definition The entire disclosure related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=2122178 + Details
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