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Supplemental Disclosure of Cash Flow Information (Tables)
12 Months Ended
Dec. 31, 2012
Supplemental Disclosure of Cash Flow Information [Abstract]  
Schedule of Supplemental Disclosure of Cash Flow Information
Supplemental Disclosure of Cash Flow Information
 
(in thousands)
   
Year ended December 31,
 
     
2012
  
2011
  
2010
 
             
Cash paid:
   
 
  
 
  
 
 
 
Interest
 $-  $-  $- 
 
Income taxes
 $1,094  $813  $545