Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs

The components of stock-based compensation for the three and six- month periods ended June 30, 2014 and 2013 were as follows:

	Three Months Ended   June 30,						Six Months Ended   June 30,
	2014			2013			2014			2013
Stock options and restricted stock units	$	801		$	336		$	1,225		$	665
Tax benefit of stock-based compensation expense	(309		)	(122		)	(472		)	(242		)
After-tax effect of stock-based compensation	$	492		$	214		$	753		$	423

Schedule of Share-based Compensation, Stock Options, Activity

Stock option activity for Fuel Tech’s Incentive Plans for the six- months ended June 30, 2014 was as follows:

	Number of Options		Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term	Aggregate Intrinsic Value
Outstanding on January 1, 2014	1,688,500		$	11.88
Granted	94,500		5.22
Exercised	(60,000	)	4.96
Expired or forfeited	(5,000	)	22.63
Outstanding on June 30, 2014	1,718,000		$	11.73	3.71	$	417
Exercisable on June 30, 2014	1,708,000		$	11.76	3.69	$	417

Schedule of Nonvested Share Activity

Non-vested stock option activity for the six months ended June 30, 2014 was as follows:

	Non-Vested Stock Options Outstanding		Weighted-Average Grant Date Fair Value
Outstanding on January 1, 2014	10,000		$	6.10
Granted	94,500		5.20
Vested	(94,500	)	5.20
Forfeited	—		—
Outstanding on June 30, 2014	10,000		$	6.10

Schedule of Nonvested Restricted Stock Units Activity

A summary of restricted stock unit activity for the six-month period ended June 30, 2014 is as follows:

	Shares		Weighted Average Grant Date Fair Value
Unvested restricted stock units at January 1, 2014	772,016		$	5.35
Granted	484,450		5.44
Forfeited	(14,515	)	5.16
Vested	(230,507	)	5.68
Unvested restricted stock units at June 30, 2014	1,011,444		$	5.32