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8. Supplemental Cash Flow Information
12 Months Ended
Dec. 31, 2011
Notes To Financial Statements  
Cash Flow, Supplemental Disclosures [Text Block] 8.  SUPPLEMENTAL CASH FLOW INFORMATION

   
Year Ended December 31,
 
   
2010
   
2011
 
   
(In Thousands)
 
Cash paid during the year for:
           
Income taxes, net of refunds
  $ 21     $ 53  
Interest
    18       16