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Stock Based Compensation (Tables)
 9 Months Ended
Sep. 30, 2013
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 nine months ended September 30, 2013:
 
Number
of
Options
 
Weighted
Average
Exercise Price
Outstanding at December 31, 2012
374,875

 
$
3.37

Exercised
(132,425
)
 
3.09

Granted
—

 
—

Forfeited
(14,400
)
 
(2.75
)
Outstanding at September 30, 2013
228,050

 
$
3.57

Exercisable at September 30, 2013
228,050

 
$
3.57
Unvested Stock Options [Member]
  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]
The following summarizes the status of, and changes to, unvested options during the nine months ended September 30, 2013:
 
Number
of
Options
 
Weighted
Average
Exercise Price
Unvested at December 31, 2012
14,400

 
$
2.75

Granted
—

 
—

Vested
—

 
—

Forfeited
(14,400
)
 
(2.75
)
Unvested at September 30, 2013
—

 
$
—
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 September 30, 2013 and changes during the nine months ended September 30, 2013:
 
Number
of
Shares
 
Weighted
Average
Grant Date
Fair Value
Unvested balance at December 31, 2012
139,730

 
$
6.77

Granted
57,556

 
9.12

Vested
(91,573
)
 
5.95

Forfeited
(13,752
)
 
8.74

Unvested balance September 30, 2013
91,961

 
$
8.76