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Income taxes	6 Months Ended
Income taxes	Jun. 30, 2014
Income Tax Disclosure [Abstract]
Income taxes	Income taxes The effective tax rates for continuing operations of (0.0%) and (2.2%), respectively, for the six months ended June 30, 2014 and June 30, 2013 were determined using an estimated annual effective tax rate and after considering any discrete items for such periods. Due to a valuation allowance against the Company's U.S. deferred tax assets, the effective tax rate for the six months ended June 30, 2014 does not include the benefit of the current period U.S. tax loss. A valuation allowance is recorded to reduce the deferred tax assets reported if, based on the weight of the evidence, it is more likely than not that a portion or none of the deferred tax assets will be realized. After consideration of all the evidence, including reversal of deferred tax liabilities, future taxable income and other factors, management has determined that a full valuation allowance is necessary as of June 30, 2014.

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

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