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Stock-Based Compensation
6 Months Ended
Jun. 30, 2014
Share-based Compensation [Abstract]  
Stock-Based Compensation
Stock-Based Compensation
The Company recognizes stock-based compensation in accordance with the provisions of ASC Topic 718, Compensation-Stock Based Compensation. Stock-based compensation expense was $899 and $923 for the three months ended June 30, 2014 and June 30, 2013, respectively, and $1,902 and $2,004 for the six months ended June 30, 2014 and June 30, 2013, respectively. As of June 30, 2014, there was $2,101 of total unrecognized compensation expense related to stock options, which is expected to be recognized over a weighted-average period of 2.06 years. As of June 30, 2014, there was $4,740 of total unrecognized compensation expense related to restricted stock awards, which is expected to be recognized over a weighted-average period of 3.03 years.
The Company granted 0 and 225 restricted stock awards to employees under the terms of the Amended and Restated 2006 Stock Incentive Plan during the three and six months ended June 30, 2014. The Company granted 20 and 246 restricted stock awards to employees under the terms of the Amended and Restated 2006 Stock Incentive Plan during the three and six months ended June 30, 2013. The restricted stock awards vest ratably over four years from the date of grant subject to the recipient remaining employed through the applicable vesting dates. Compensation expense for restricted stock awards is measured at fair value on the date of grant based on the number of shares granted and the quoted market closing price of the Company’s common stock. Such value is recognized as expense over the vesting period of the award, net of estimated forfeitures.
The Company granted 57 and 70 stock options to employees under the terms of the Amended and Restated 2006 Stock Incentive Plan during the three and six months ended June 30, 2014 and June 30, 2013, respectively.
The fair value of stock options granted during the six months ended June 30, 2014 and 2013 was estimated as of the date of grant using the Black-Scholes option-pricing model. The weighted-average fair value per share for all options granted during the six months ended June 30, 2014 and 2013 was $5.23 and $5.44, respectively. The weighted-average assumptions used to value options as of their grant date were as follows:
 
 
 
 
 
Six Months Ended
 
Six Months Ended
 
June 30,
2014
 
June 30,
2013
Risk-free interest rate
1.35
%
 
0.67
%
Expected volatility
47.65
%
 
52.31
%
Expected life (in years)
4.20

 
4.24

Dividend yield
0
%
 
0
%