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Equity-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Stock Option Activity

Stock option for employees’ activity during the three months ended March 31, 2017 is as follows:

 

Stock option activity for employees:

 

    Number of Options     Weighted Average Exercise
Price
    Weighted Average Remaining Contractual Term
(Years)
    Aggregate Intrinsic Value  
Outstanding January 1, 2017     836,256     $ 16.82       4.47     $  
Granted                        
Forfeited     (5,048 )     25.47              
Outstanding March 31, 2017     831,208     $ 16.77       4.24     $  
Vested and expected to vest March 31, 2017     831,208     $ 16.77       4.24     $  
Exercisable March 31, 2017     786,936     $ 16.54       3.24     $  

 

Stock option activity for non-employees:

 

    Number of Options     Weighted Average Exercise
Price
    Weighted Average Remaining Contractual Term
(Years)
   

Aggregate Intrinsic

Value

 
Outstanding January 1, 2017     271,500     $ 10.41       4.66     $  
Granted                        
Exercised                        
Forfeited     (5,590 )     15.08              
Outstanding March 31, 2017     265,910     $ 10.31       4.41     $  
Vested and expected to vest March 31, 2017     265,910     $ 10.31       4.41     $  
Exercisable March 31, 2017     254,104     $ 10.69       4.11     $  

Schedule of Unvested Stock Option Activity

Stock option activity for non-employees:

 

    Number of Options     Weighted Average Exercise
Price
    Weighted Average Remaining Contractual Term
(Years)
   

Aggregate Intrinsic

Value

 
Outstanding January 1, 2017     271,500     $ 10.41       4.66     $  
Granted                        
Exercised                        
Forfeited     (5,590 )     15.08              
Outstanding March 31, 2017     265,910     $ 10.31       4.41     $  
Vested and expected to vest March 31, 2017     265,910     $ 10.31       4.41     $  
Exercisable March 31, 2017     254,104     $ 10.69       4.11     $  

 

Unvested stock option activity for non-employees:

 

    Number of Options     Weighted Average Exercise
Price
    Weighted Average Remaining Contractual Term
(Years)
   

Aggregate Intrinsic

Value

 
Outstanding January 1, 2017     26,389     $ 1.65       8.61     $  
Granted                        
Vested     (11,771     1.64              
Forfeited     (2,812 )     1.68              
Outstanding March 31, 2017     11,806     $ 1.65       9.41     $