Income Taxes	6 Months Ended
Jun. 30, 2017
Income Taxes
Income Taxes	11. Income Taxes For the six months ended June 30, 2017, the Company recorded income tax expense of $260 related to indefinite-lived deferred tax liabilities for goodwill amortization, which resulted in an effective tax rate of (6.4)% for the period. The Company has recorded a full valuation allowance against its deferred tax assets as of June 30, 2017 and December 31, 2016. Accordingly, the year to date tax benefit was limited to the amount of the benefit that can be recognized for the full year, and the Company used the actual effective tax rate for the year to date as its best estimate to determine the Company’s tax expense for the six months ended June 30, 2017. For the six months ended June 30, 2016, the Company recognized tax expense of $175, which resulted in an effective tax rate of 178.6%. For the six months ended June 30, 2016, the Company calculated the tax provision based on the estimated annual effective tax rate expected for the full year which included current Federal alternative minimum tax, current state taxes and deferred tax expense associated with indefinite-lived deferred tax liabilities for goodwill amortization, in addition to a change in the valuation allowance related to deferred tax assets for income generated in the current period.

11. Income Taxes

For the six months ended June 30, 2017, the Company recorded income tax expense of $260 related to indefinite-lived deferred tax liabilities for goodwill amortization, which resulted in an effective tax rate of (6.4)% for the period. The Company has recorded a full valuation allowance against its deferred tax assets as of June 30, 2017 and December 31, 2016. Accordingly, the year to date tax benefit was limited to the amount of the benefit that can be recognized for the full year, and the Company used the actual effective tax rate for the year to date as its best estimate to determine the Company’s tax expense for the six months ended June 30, 2017.

For the six months ended June 30, 2016, the Company recognized tax expense of $175, which resulted in an effective tax rate of 178.6%. For the six months ended June 30, 2016, the Company calculated the tax provision based on the estimated annual effective tax rate expected for the full year which included current Federal alternative minimum tax, current state taxes and deferred tax expense associated with indefinite-lived deferred tax liabilities for goodwill amortization, in addition to a change in the valuation allowance related to deferred tax assets for income generated in the current period.