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Income Taxes	3 Months Ended
Income Taxes	Mar. 31, 2015
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The effective tax rate for the three months ended March 31, 2015 and 2014 was zero percent, primarily as a result of the estimated tax loss for the year and the change in valuation allowance. There were no material changes to the unrecognized tax benefits in the three months ended March 31, 2015, and we do not anticipate that the unrecognized tax benefits will significantly increase or decrease in the next 12 months. At March 31, 2015, all unrecognized tax benefits are subject to a full valuation allowance and, if recognized, will not affect the effective tax rate.

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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