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Income Taxes	6 Months Ended
Income Taxes	Jun. 30, 2013
Income Tax Disclosure [Abstract]
Income Taxes	8. Income Taxes The Company established a valuation allowance for all U.S. deferred tax assets as required by FASB Accounting Standards Codification (“ASC”) 740-10. During the six months ended June 30, 2013, the Company incurred additional losses increasing the valuation allowance and utilized its net operating loss carry-forwards to offset tax on the gain on the sale of SCO resulting in a net decrease in the valuation allowance of $11.3 million (2012—increase of $4.0 million) to $52.6 million.

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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