Income Taxes	6 Months Ended
Jun. 30, 2017
Income Tax Disclosure [Abstract]
Income Taxes	12. Income Taxes The benefit (provision) for income taxes for the six months ended June 30, 2017 and 2016 reflects current taxes, deferred taxes, and withholding taxes. The effective tax rate for the six months ended June 30, 2017 and 2016 was 1% and 0%, respectively. The valuation allowance against net deferred tax assets as of June 30, 2017 was $36,937, an increase of $12,049 from $24,888 as of December 31, 2016. The Company adopted the provisions of ASU No. 2016-09 effective January 1, 2017. Deferred tax assets of $6,219 were recorded for previously unrecognized excess tax benefits as of December 31, 2016, which were offset by $6,219 of valuation allowance. Excess tax benefits of $923 and $1,101 were recognized in the provision for income taxes for the three and six months ended June 30, 2017, respectively, which were offset by $923 and $1,101 of valuation allowance, respectively.

Income Taxes

6 Months Ended

Jun. 30, 2017

12. Income Taxes

The benefit (provision) for income taxes for the six months ended June 30, 2017 and 2016 reflects current taxes, deferred taxes, and withholding taxes. The effective tax rate for the six months ended June 30, 2017 and 2016 was 1% and 0%, respectively. The valuation allowance against net deferred tax assets as of June 30, 2017 was $36,937, an increase of $12,049 from $24,888 as of December 31, 2016.

The Company adopted the provisions of ASU No. 2016-09 effective January 1, 2017. Deferred tax assets of $6,219 were recorded for previously unrecognized excess tax benefits as of December 31, 2016, which were offset by $6,219 of valuation allowance. Excess tax benefits of $923 and $1,101 were recognized in the provision for income taxes for the three and six months ended June 30, 2017, respectively, which were offset by $923 and $1,101 of valuation allowance, respectively.