Earnings per Share Data (Tables)

3 Months Ended

Mar. 31, 2014

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following table sets forth the weighted-average shares used in calculating the earnings per share for the three-month periods ended March 31, 2014 and 2013.

	Three Months Ended   March 31,
	2014	2013
Basic weighted-average shares	22,641,000	22,112,000
Conversion of unsecured loan notes	—	—
Unexercised options and unvested RSUs	—	—
Diluted weighted-average shares	22,641,000	22,112,000

Fuel Tech had 2,458,000 and 2,516,000 weighted average equity awards outstanding at March 31, 2014 and 2013, respectively, that were not dilutive for the purposes of inclusion in the calculation of diluted earnings per share but could potentially become dilutive in future periods.