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Stock Option Plan (Tables)
12 Months Ended
Dec. 31, 2015
Stock Option Plan [Abstract]  
Stock option plan activity
Stock option plan activity for the year ended December 31, 2015 is summarized below:

 
 
Shares
  
Weighted
Average
Exercise
Price
 
Weighted
Average
Remaining
Contractual
Life
(in years)
 
Aggregate
Intrinsic
Value
(in thousands)
 
Options outstanding, January 1, 2015
  
81,210
  
$
20.05
 
 
 
Granted
  
0
   
0
 
 
 
Exercised
  
0
   
0
 
 
 
Canceled or expired
  
(6,250
)
  
20.05
 
 
 
Options outstanding, December 31, 2015
  
74,960
  
$
20.05
   
1.79
  
$
0
 
Options exercisable, December 31, 2015
  
74,960
  
$
20.05
   
1.79
  
$
0
 

Information pertaining to options outstanding
Information pertaining to options outstanding at December 31, 2015 is as follows:

 
 
Options Outstanding
 
Options Exercisable
 
Range of
Exercise
Prices
 
Number
Outstanding
 
Weighted
Average
Remaining
Contractual
Life
 
Weighted
Average
Exercise
Price
 
Number
Exercisable
 
Weighted
Average
Exercise
Price
 
 
$
20.05
   
74,960
   
1.79
  
$
20.05
   
74,960
  
$
20.05