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Income Taxes - Income (Loss) From Continuing Operations Before Income Tax (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Income (Loss) from Operations before Income Tax Expense (Benefit) [Abstract] |  |  |
Income (loss) before income taxes | $ 6,683 | $ 6,843 | $ 376
United States |  |  |
Income (Loss) from Operations before Income Tax Expense (Benefit) [Abstract] |  |  |
Income (loss) before income taxes | 5,500 | 7,917 | 971
UK | Foreign Tax Authority |  |  |
Income (Loss) from Operations before Income Tax Expense (Benefit) [Abstract] |  |  |
Income (loss) before income taxes | (343) | 0 | 0
Denmark | Foreign Tax Authority |  |  |
Income (Loss) from Operations before Income Tax Expense (Benefit) [Abstract] |  |  |
Income (loss) before income taxes | 1,487 | (295) | (161)
Cyprus | Foreign Tax Authority |  |  |
Income (Loss) from Operations before Income Tax Expense (Benefit) [Abstract] |  |  |
Income (loss) before income taxes | 686 | 0 | 0
Norway | Foreign Tax Authority |  |  |
Income (Loss) from Operations before Income Tax Expense (Benefit) [Abstract] |  |  |
Income (loss) before income taxes | 392 | 570 | 727
Brazil | Foreign Tax Authority |  |  |
Income (Loss) from Operations before Income Tax Expense (Benefit) [Abstract] |  |  |
Income (loss) before income taxes | (1,167) | (1,375) | (1,210)
Singapore | Foreign Tax Authority |  |  |
Income (Loss) from Operations before Income Tax Expense (Benefit) [Abstract] |  |  |
Income (loss) before income taxes | 48 | 25 | 49
Belgium | Foreign Tax Authority |  |  |
Income (Loss) from Operations before Income Tax Expense (Benefit) [Abstract] |  |  |
Income (loss) before income taxes | 44 | 0 | 0
Japan | Foreign Tax Authority |  |  |
Income (Loss) from Operations before Income Tax Expense (Benefit) [Abstract] |  |  |
Income (loss) before income taxes | 32 | 1 | 0
Netherlands | Foreign Tax Authority |  |  |
Income (Loss) from Operations before Income Tax Expense (Benefit) [Abstract] |  |  |
Income (loss) before income taxes | $ 4 | $ 0 | $ 0

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- Definition Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(1)(i)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Subparagraph 1(i) -Article 4 + Details
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