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Disclosure of Supplemental Cash Flow Information
3 Months Ended
Mar. 31, 2014
Supplemental Cash Flow Elements [Abstract]  
Cash Flow, Supplemental Disclosures [Text Block]
   

2014

   

2013

 
   

(unaudited)

 
                 

Interest paid

  $ 1,440     $ 1,393  

Income taxes paid

  $ 25     $ 11