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Supplemental cash flow information (Tables) | 3 Months Ended
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Mar. 31, 2013
Supplemental Cash Flow Information [Abstract] |
Supplemental Cash Flow Information | Supplemental cash flow information
| Three months ended March 31,
| 2013 | 2012
Cash paid for: |  |
Interest | $ | 108 |  | $ | 116 |
Income/withholding taxes (1) | 10,625 |  | 11,263 |
(1) | We paid withholding taxes in Iceland of $8,259 and $9,484 in the three months ended March 31, 2013 and 2012, respectively. Our tax payments in Iceland for withholding taxes, income taxes, and any associated refunds, are denominated in ISK.

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- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
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- Details
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