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Share Based Compensation (Tables)
 6 Months Ended
Jun. 30, 2017
Share Based Compensation [Abstract]  
Summary of outstanding stock option grants and transactions
A summary of outstanding stock option grants and related transactions follows:

  
Number of
Shares
  
Average
Exercise
Price
  
Weighted-
Average
Remaining
Contractual
Term (Years)
  
Aggregated
Intrinsic
Value
 
           
(In thousands)
 
Outstanding at January 1, 2017
  
211,018
  
$
5.05
       
Granted
  
-
           
Exercised
  
(26,224
)
  
3.76
       
Forfeited
  
-
           
Expired
  
-
           
Outstanding at June 30, 2017
  
184,794
  
$
5.23
   
4.6
  
$
3,053
 
                 
Vested and expected to vest at June 30, 2017
  
184,794
  
$
5.23
   
4.6
  
$
3,053
 
Exercisable at June 30, 2017
  
184,794
  
$
5.23
   
4.6
  
$
3,053
 
Summary of non-vested restricted stock, restricted stock units and PSU's
A summary of outstanding non-vested restricted stock and PSUs and related transactions follows:

  
Number
of Shares
  
Weighted-
Average
Grant Date
Fair Value
 
Outstanding at January 1, 2017
  
296,422
  
$
14.52
 
Granted
  
68,473
   
21.07
 
Vested
  
(56,681
)
  
14.85
 
Forfeited
  
(7,321
)
  
15.73
 
Outstanding at June 30, 2017
  
300,893
  
$
15.86
 
Information regarding options exercised
Certain information regarding options exercised during the periods follows:

  
Three Months Ended
June 30,
  
Six Months Ended
June 30,
 
  
2017
  
2016
  
2017
  
2016
 
  
(In thousands)
 
Intrinsic value
 
$
195
  
$
60
  
$
474
  
$
177
 
Cash proceeds received
 
$
33
  
$
27
  
$
99
  
$
59
 
Tax benefit realized
 
$
68
  
$
21
  
$
166
  
$
62