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Equity Awards (Tables)
6 Months Ended
Jun. 30, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Share-based Compensation, Stock Options, Activity
Information related to stock options at June 30, 2016 is as follows:
 
 
Number of
Stock Options
 
Weighted Average Option Price
 
Average  Remaining Contractual Life (Years)
 
Aggregate Intrinsic Value
Outstanding at January 1, 2016
 
206,123

 
$
4.84

 

 

  Exercised
 
(27,252
)
 
0.86

 

 

  Cancelled
 

 

 

 

  Expired
 

 

 
 
 
 
Outstanding at June 30, 2016
 
178,871

 
$
5.44

 
2.0
 
$
2,306,887

Schedule of Share-based Compensation, Restricted Stock Units Award Activity
Information related to restricted shares at June 30, 2016 is as follows:
 
 
Number of Unvested Restricted Shares
 
Weighted Average Grant Date Fair Value
 
Average Remaining Contractual Life (Years)
 
Aggregate Intrinsic Value
Outstanding at January 1, 2016
 
765,314

 
$
23.73

 

 

  Granted
 
529,171

 
18.46

 

 

  Vested
 
(228,842
)
 
25.17

 

 

  Cancelled
 
(88,611
)
 
23.17

 

 

Outstanding at June 30, 2016
 
977,032

 
$
20.59

 
1.5
 
$
17,586,576