Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v2.4.0.8
Stock-Based Compensation (Tables)
6 Months Ended
Jun. 30, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Summary of compensation expense and stock award activity
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2013
 
2012
 
2013
 
2012
Stock-based compensation expense
$
2,097

 
$
1,620

 
$
3,941

 
$
3,273

Non-vested shares granted
10,000

 
20,500

 
342,100

 
369,750

Performance-based non-vested shares granted

 

 
62,500

 
56,250

Stock options exercised
199,827

 
10,600

 
322,100

 
79,300

Restricted stock awards vested (includes performance-based awards)
6,200

 
3,400

 
280,800

 
197,016

Summary of stock based compensation agreements
 
As of
 
June 30, 2013
 
December 31, 2012
Unrecognized stock-based compensation cost
$
21,513

 
$
13,072

Weighted average years remaining vesting period
2.66

 
2.17

Total equity awards outstanding (1)
1,367,985

 
1,615,235

 
(1)    Includes vested and unvested options outstanding and unvested restricted stock awards