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Note 17 - Supplemental Disclosures for Cash Flows
3 Months Ended
Mar. 31, 2013
Cash Flow, Supplemental Disclosures [Text Block]
17.    Supplemental Disclosures for Cash Flows

The following table summarizes supplemental disclosures for cash flows of the three-month periods ended March 31, 2013 and 2012:

   
Three-month Period
Ended March 31,
 
   
2013
   
2012
 
   
(in thousands)
 
             
Interest paid
  $ 192     $ -  
Income taxes paid
  $ 130     $ -  
                 
Non-cash investing and financing activities:
               
Unrealized gains on available-for-sale securities
  $ 2,871     $ 307