Income Taxes	6 Months Ended
Jun. 30, 2013
IncomeTaxDisclosureTextBlockAbstract
Income Taxes	Income Taxes The Company accounts for income taxes in accordance with Accounting Standards Codification (“ASC”) Topic 740, Income Taxes, which requires that deferred tax assets and liabilities are recognized using enacted tax rates for the effect of temporary differences between the book and tax bases of recorded assets and liabilities. ASC 740 also requires that deferred tax assets be reduced by a valuation allowance if it is more likely than not that some or all of the deferred tax assets will not be realized. Based on its history of operating losses, the Company has offset its net deferred tax assets by a full valuation allowance. Any reversal of the corresponding valuation allowance will generally result in a tax benefit being recorded in the consolidated statement of operations in the respective period. The Company recognized a benefit from income taxes of $2.0 million and $14.3 million for the six-month periods ended June 30, 2013 and 2012, respectively, primarily due to a partial reversal of the Company's valuation allowance for deferred tax assets. In the 2013 period, the Company reversed $2.1 million of the valuation allowance as a result of deferred tax liabilities recognized related to the unrealized gains on marketable securities. In the 2012 period, the Company reversed $15.1 of the valuation allowance as a result of deferred tax liabilities recognized related to the identifiable intangible assets recorded in connection with the acquisition of Sun Well in May 2012.

Income Taxes

6 Months Ended

Jun. 30, 2013

IncomeTaxDisclosureTextBlockAbstract

The Company accounts for income taxes in accordance with Accounting Standards Codification (“ASC”) Topic 740, Income Taxes, which requires that deferred tax assets and liabilities are recognized using enacted tax rates for the effect of temporary differences between the book and tax bases of recorded assets and liabilities. ASC 740 also requires that deferred tax assets be reduced by a valuation allowance if it is more likely than not that some or all of the deferred tax assets will not be realized. Based on its history of operating losses, the Company has offset its net deferred tax assets by a full valuation allowance. Any reversal of the corresponding valuation allowance will generally result in a tax benefit being recorded in the consolidated statement of operations in the respective period.

The Company recognized a benefit from income taxes of $2.0 million and $14.3 million for the six-month periods ended June 30, 2013 and 2012, respectively, primarily due to a partial reversal of the Company's valuation allowance for deferred tax assets. In the 2013 period, the Company reversed $2.1 million of the valuation allowance as a result of deferred tax liabilities recognized related to the unrealized gains on marketable securities. In the 2012 period, the Company reversed $15.1 of the valuation allowance as a result of deferred tax liabilities recognized related to the identifiable intangible assets recorded in connection with the acquisition of Sun Well in May 2012.