Quarterly report pursuant to Section 13 or 15(d)

Stock Based and Deferred Compensation

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Stock Based and Deferred Compensation
6 Months Ended
Jun. 30, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
STOCK BASED AND DEFERRED COMPENSATION
STOCK BASED AND DEFERRED COMPENSATION
We have a stock compensation plan, the Amended and Restated 2006 Stock Incentive Plan (the “Plan”), that was adopted in 2006 and was amended and restated effective May 2014. The Plan was approved by our stockholders and is administered by our Board of Directors. The provisions of the Plan allow for the grant of stock appreciation rights, restricted stock awards, restricted stock units, performance share awards and performance-based awards in addition to non-qualified and incentive stock options. The Plan authorizes awards to officers, key employees, non-employee directors and consultants for up to 10,050,000 shares of common stock, of which 1,076,123 shares remain available for grant at June 30, 2015. We believe that such awards provide a means of performance-based compensation to attract and retain qualified employees and better align the interests of our employees with those of our stockholders. Non-vested stock awards are usually granted with a five-year ratable vesting period, with a three-year cliff vesting for non-vested stock and performance-based awards granted to certain senior executive officers and non-employee directors.
    
Compensation cost related to time-based restricted stock awards is measured as of the closing price on the date of grant and is expensed on a straight-line basis over the vesting period of the award. Compensation cost related to performance-based restricted stock awards is also measured as of the closing price on the date of grant but is expensed in accordance with ASC 718-10-25-20, Compensation – Stock Compensation ("ASC 718"), which requires an assessment of probability of attainment of the performance target. As our performance targets are dependent on performance over a specified measurement period, once we determine that the performance target outcome is probable, the cumulative expense is recorded immediately with the remaining expense and recorded on a straight-line basis through the end of the award’s vesting period. Beginning with grants in 2014, a portion of the performance-based restricted stock awards granted contain market conditions as defined by ASC 718. The guidance in ASC 718 requires that compensation expense for stock awards with market conditions be expensed based on a derived grant date fair value and expensed over the service period. We engaged a third party to perform a valuation analysis on the awards containing market conditions and our associated expense with those awards is based on the derived fair value from that analysis and is being expensed straight line over the service period of the awards. Below is a summary of compensation expense and stock award activity (in thousands):
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2015
 
2014
 
2015
 
2014
Stock-based compensation expense
3,835

 
$
2,853

 
$
8,465

 
$
5,264

Non-vested shares granted
15,000

 
19,400

 
403,787

 
374,683

Performance-based non-vested shares granted

 

 
66,187

 
52,083

Stock options exercised
200

 

 
143,640

 
40,245

Restricted stock awards vested (includes performance-based awards)
44,134

 
7,220

 
370,204

 
307,390


The following table includes additional information regarding our Plan (dollars in thousands):
 
 
As of
 
 
June 30, 2015
 
December 31, 2014
Unrecognized stock-based compensation cost
 
$
25,868

 
$
20,577

Weighted average years expense recognition period
 
2.68

 
2.11

Total equity awards outstanding (1)
 
1,137,554

 
1,255,714


(1)
Includes options outstanding and unvested restricted stock and performance-based awards and restricted stock units.

In 2013, we began to offer a non-qualified deferred compensation plan ("deferred compensation plan") to highly compensated employees in order to allow them additional pre-tax income deferral opportunities above and beyond the limits that qualified plans, such as 401k plans, impose on highly compensated employees. We do not currently offer a contribution match on the deferred compensation plan. All contributions to the plan to date have been funded by the employees and, therefore, we have no associated expense related to the deferred compensation plan for the three or six months ended June 30, 2015 or 2014.