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Stockholder's Equity (Tables)
 12 Months Ended
Dec. 31, 2015
Stockholders' Equity  
Schedule of restricted stock units

 

 

 

 

 

 

 

 

    

 

    

Weighted-

 

 

 

 

 

Average

 

 

 

 

 

Grant-Date

 

 

 

Shares

 

Fair Value

 

Nonvested at January 1,  2013

 
223,224

 

$
15

 

Granted

 
181,330

 

 
20

 

Vested

 
(120,902)

 

 
15

 

Forfeited

 
(22,918)

 

 
17

 

Nonvested at December 31, 2013

 
260,734

 

 
18

 

Granted

 
155,146

 

 
31

 

Vested

 
(157,794)

 

 
21

 

Forfeited

 
(12,334)

 

 
25

 

Nonvested at December 31, 2014

 
245,752

 

 
27

 

Granted

 
140,909

 

 
26

 

Vested

 
(110,623)

 

 
28

 

Forfeited

 
(101,520)

 

 
26

 

Nonvested at December 31, 2015

 
174,518

 

$
26