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Stockholders' Equity (Tables)
12 Months Ended
Dec. 31, 2012
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
             

 

 

2012

 

2011

 

2010

 

 

 

 

 

 

 

Weighted average shares outstanding for basic calculation

 

14,328

 

14,345

 

10,650

Dilutive effect of stock options

 

      156 

 

 

 

   

 

 

 

 

 

 

 

Weighted average shares outstandingfor diluted calculation

 

14,484

 

14,345

 

10,650