Income taxes	3 Months Ended
Mar. 31, 2016
Income Tax Disclosure [Abstract]
Income taxes	Income taxes The effective tax rates for continuing operations of 15.2% and 3.40% for the three months ended March 31, 2016 and March 31, 2015, respectively, were determined using an estimated annual effective tax rate and includes in 2016 the impact of a discrete item of approximately $350,000. The effective tax rate increased 11.8% when compared to the same period of 2015, primarily due to the $15.4 million valauation allowance release recorded in 2015 and discussed in our annual report on Form 10-K for the year ended December 31, 2015. Due to the valuation allowance previously recorded against the Company's U.S. deferred tax assets, the effective tax rate for the three months ended March 31, 2015, did not include the expense of the current period U.S. taxable income. As of the end of March 2016, the projected annual effective tax rate for 2016 is 40.4%.

Income taxes

3 Months Ended

Mar. 31, 2016

The effective tax rates for continuing operations of 15.2% and 3.40% for the three months ended March 31, 2016 and March 31, 2015, respectively, were determined using an estimated annual effective tax rate and includes in 2016 the impact of a discrete item of approximately $350,000. The effective tax rate increased 11.8% when compared to the same period of 2015, primarily due to the $15.4 million valauation allowance release recorded in 2015 and discussed in our annual report on Form 10-K for the year ended December 31, 2015. Due to the valuation allowance previously recorded against the Company's U.S. deferred tax assets, the effective tax rate for the three months ended March 31, 2015, did not include the expense of the current period U.S. taxable income. As of the end of March 2016, the projected annual effective tax rate for 2016 is 40.4%.