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Supplemental cash flow information (Tables)

3 Months Ended

Mar. 31, 2014

Supplemental Cash Flow Information [Abstract]

Supplemental Cash Flow Information

	Three months ended March 31,
	2014			2013
Cash paid for:
Interest	$	131		$	108
Income/withholding taxes (1)	1,846			10,625
Non-cash investing activities:
Accrued capital costs	$	4,619		$	456

(1) We paid withholding taxes in Iceland of $8,259 during the three months ended March 31, 2013. Our tax payments in Iceland for withholding taxes, income taxes and any associated refunds are denominated in Icelandic kronur ("ISK").

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Tabular disclosure of supplemental cash flow information for the periods presented.

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