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Stockholders' Equity (Tables)
 12 Months Ended
Dec. 31, 2013
Equity Incentive Plans  
Summary of stock option activity

The following table summarizes stock option activity for the year ended December 31, 2013 (shares in thousands)

 
   Number of
shares		   Weighted-
average exercise
price		   Weighted-
average
remaining
contractual
term		   Aggregate
intrinsic
value		  

Outstanding at January 1, 2013

     —     —     —     —  

Granted

     1,730   $ 11.20     9.3   $ 1,157  

Exercised

     —     —     —     —  

Forfeited

     —     —     —     —  

Expired

     —     —     —     —  
                   
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Outstanding at December 31, 2013

     1,730   $ 11.20     9.3   $ 1,157  
                   
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                   

Exercisable at December 31, 2013

     275   $ 10.20     9.3   $ 459  
                   
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                   
Summary of restricted share activity

The following table summarizes restricted share activity for the year ended December 31, 2013 (shares in thousands):


 
   Number of
shares		   Weighted-average
grant date fair value		  

Outstanding at January 1, 2013

     —     —  

Granted

     1,195   $ 9.81  

Vested

     (250 )   8.41  

Forfeited

     —     —  
           
​ ​ ​ ​ ​ ​ ​ ​

Outstanding at December 31, 2013

     945   $ 10.18  
           
​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​
           
Schedule of warrants activity

The following table summarizes warrants activity for the year ended December 31, 2013 (shares in thousands):

 
   Number of
shares		   Weighted-
average exercise
price		   Weighted-
average
remaining
contractual
term		   Aggregate
intrinsic
value		  

Outstanding at January 1, 2013

     —     —     —     —  

Issued

     7,333   $ 12.00     4.3   $ —  

Exercised

     —     —     —     —  

Expired

     —     —     —     —  
                   
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Outstanding at December 31, 2013

     7,333   $ 12.00     4.3   $ —  
                   
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                   
Time-based option | Black-Scholes pricing model
  
Equity Incentive Plans  
Schedule of valuation assumptions

 

 

Black-Scholes Option Valuation Assumptions
  2013

Risk-free interest rate

   .93% - 2.03%

Dividend yield

   —

Volatility

   34.4% - 36.7%

Weighted-average expected term (years)

   6.0
Event-based option | Monte Carlo simulation model
  
Equity Incentive Plans  
Schedule of valuation assumptions

Monte Carlo Option Valuation Assumptions
  2013

Risk-free interest rate

   1.78%

Dividend yield

   —

Volatility

   36.7%

Weighted-average expected term (years)

   5.4 - 5.8
Event-based restricted stock | Monte Carlo simulation model
  
Equity Incentive Plans  
Schedule of valuation assumptions

 

 

Monte Carlo Restricted Stock Valuation Assumptions
  2013

Risk-free interest rate

   0.52%

Dividend yield

   —

Volatility

   36.70%

Weighted-average expected term (years)

   0.6 - 1.3