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Note 3 - Investments
3 Months Ended
Mar. 31, 2012
Investment Holdings [Text Block]
3. INVESTMENTS

The following table summarizes the Company’s investments (in thousands) at both March 31, 2012 and December 31, 2011:

   
Amortized
Cost
   
Unrealized
Holding
Gains
   
Unrealized
Holding
Losses
   
Fair
Value
 
Auction-rate securities
  $ 1,000     $     $ (216 )   $ 784  

As of March 31, 2012 and December 31, 2011, the Company’s investments consisted entirely of auction-rate securities. Please refer to Note 12 “Fair Value” for further discussion of auction-rate securities.