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Stock Based Compensation (Tables)
3 Months Ended
Mar. 31, 2013
Stock Based Compensation [Abstract]  
Summary of Stock Options Outstanding
Options granted to date vest ratably over a five year period and expire ten years after the date of grant. Stock options outstanding at March 31, 2013 are as follows:

 
 
Outstanding Stock Options
 
 
Exercisable Stock Options
 
Exercise
Price Range
 
 
Number
 
 
Weighted Average Exercise Price
 
 
Weighted Average Remaining Contractual Life (Years)
 
 
Number
 
 
Weighted Average Exercise Price
 
 
Weighted Average Remaining Contractual Life (Years)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
$
9.00 - $10.99
 
 
 
25,360
 
 
$
9.00
 
 
 
5.8
 
 
 
20,285
 
 
$
9.00
 
 
 
5.8
 
$
11.00 - $12.99
 
 
 
65,708
 
 
 
12.04
 
 
 
7.3
 
 
 
33,716
 
 
 
12.04
 
 
 
6.7
 
$
17.00 - $18.99
 
 
 
19,518
 
 
 
18.15
 
 
 
2.5
 
 
 
19,518
 
 
 
18.15
 
 
 
2.5
 
 
 
 
 
 
110,586
 
 
 
12.42
 
 
 
6.1
 
 
 
73,519
 
 
 
12.82
 
 
 
5.3
 
Summary of Stock Option Activity
The following table summarizes stock option activity for the periods indicated:

 
 
2013
 
 
2012
 
 
 
Options
 
 
Weighted Average Exercise Price
 
 
Options
 
 
Weighted Average Exercise Price
 
Outstanding, January 1
 
 
110,586
 
 
$
12.42
 
 
 
124,123
 
 
$
12.54
 
Granted
 
 
-
 
 
 
-
 
 
 
14,491
 
 
 
12.60
 
Exercised
 
 
-
 
 
 
-
 
 
 
-
 
 
 
-
 
Outstanding, March 31
 
 
110,586
 
 
 
12.42
 
 
 
138,614
 
 
 
12.55
 
Exercisable, March 31
 
 
73,519
 
 
 
12.82
 
 
 
83,337
 
 
 
13.25