Income taxes

3 Months Ended

Mar. 31, 2019

Income Tax Disclosure [Abstract]

Income taxes

Income taxes 

The effective tax rates for the Company were (0.3)% and (50.6)% for the three months ended March 31, 2019 and March 31, 2018, respectively. The Company currently has a full valuation allowance on their deferred tax assets. There was no valuation allowance for the same period of 2018 and the effective tax rate reflects certain discrete tax items.