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Income Taxes
3 Months Ended
Mar. 31, 2014
Income Tax Disclosure [Abstract]  
Income Taxes
Income Taxes
The Company’s effective tax rate of 8.4% and 12.5% for the three-month periods ended March 31, 2014 and 2013, respectively, differs from the statutory federal tax rate of 34% due primarily to state taxes, differences between U.S. and foreign tax rates, foreign losses incurred with no related tax benefit, non-deductible commissions, and non-deductible meals and entertainment expenses.
Fuel Tech had unrecognized tax benefits as of March 31, 2014 and December 31, 2013 in the amount of $65, respectively, all of which, if ultimately recognized, will reduce Fuel Tech's annual effective tax rate.