XML 42 R29.htm IDEA: XBRL DOCUMENT v3.10.0.1
Stock-Based Compensation (Tables)
 9 Months Ended
Sep. 30, 2018
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 nine months ended September 30, 2018 and 2017 were as follows:
 
Three Months Ended 
 September 30,
Nine Months Ended 
 September 30,
 
2018
2017
2018
2017
Stock options and restricted stock units, net of forfeited
$
97

$
51

$
135

$
1,207

Tax benefit of stock-based compensation expense
—

—

—

—

After-tax effect of stock-based compensation
$
97

$
51

$
135

$
1,207
Schedule of Stock Option Activity
Stock option activity for Fuel Tech’s Incentive Plans for the nine months ended September 30, 2018 was as follows:
 
Number
of
Options
Weighted-
Average
Exercise Price
Weighted- Average
Remaining
Contractual
Term
Aggregate
Intrinsic
Value
Outstanding on January 1, 2018
1,116,750

$
6.34

 
 
Granted
—



 
 
Exercised
—



 
 
Expired or forfeited
(167,750
)
15.19

 
 
Outstanding on September 30, 2018
949,000

$
4.78

4.84
$
58,960

Exercisable on September 30, 2018
949,000

$
4.78

4.84
$
58,960
Schedule of Nonvested Restricted Stock Units Activity
A summary of restricted stock unit activity for the nine months ended September 30, 2018 is as follows:
 
Shares
Weighted Average
Grant Date
Fair Value
Unvested restricted stock units at January 1, 2018
1,359,162

$
1.28

Granted
—

—

Forfeited
(199,995
)
1.59

Vested
(48,890
)
1.59

Unvested restricted stock units at September 30, 2018
1,110,277

$
1.21