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Stock Based Compensation (Tables)
 3 Months Ended
Mar. 31, 2014
Stock Options [Member]
  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of Share-based Compensation, Stock Options, Activity [Table text block]
The following summarizes the activity relating to stock options under the plans mentioned above for the three months ended March 31, 2014:
 
Number
of
Options
 
Weighted
Average
Exercise Price
Outstanding at December 31, 2013
227,750

 
$
3.57

Exercised
(218,096
)
 
3.42

Granted
—

 
—

Forfeited
—

 
—

Outstanding at March 31, 2014
9,654

 
$
6.95

Exercisable at March 31, 2014
9,654

 
$
6.95
Restricted Stock [Member]
  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]
The following summarizes the status of Restricted Stock grants as of March 31, 2014 and changes during the three months ended March 31, 2014:
 
Number
of
Shares
 
Weighted
Average
Grant Date
Fair Value
Unvested balance at December 31, 2013
98,281

 
$
8.91

Granted
—

 
—

Vested
—

 
—

Forfeited
—

 
—

Unvested balance at March 31, 2014
98,281

 
$
8.91