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Supplemental Disclosure of Cash Flow Information
12 Months Ended
Dec. 31, 2011
Supplemental Disclosure of Cash Flow Information  
Supplemental Disclosure of Cash Flow Information
18.  Supplemental Disclosure of Cash Flow Information
 
(in thousands)
 
Year ended December 31,
 
     
2011
  
2010
  
2009
 
             
Cash paid:
   
 
  
 
  
 
 
 
Interest
 $-  $-  $1 
 
Income taxes
 $813  $545  $206