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Marketable Securities
6 Months Ended
Jun. 30, 2011
Marketable Securities  
Marketable Securities

2.    MARKETABLE SECURITIES

 

(in thousands)    June 30, 2011  
     Amortized
Cost
     Unrealized
Gains
     Unrealized
Losses
    Fair Value  

Marketable securities:

          

Municipal bonds

   $ 16,784         31         (13)      $ 16,802   

Government sponsored enterprise bonds

     10,003         1         (2)        10,002   

Corporate bonds

     4,814         17                4,831   

Commercial paper

     998         1                999   
  

 

 

    

 

 

    

 

 

   

 

 

 

Marketable securities

   $     32,599                 50             (15)      $       32,634   
  

 

 

    

 

 

    

 

 

   

 

 

 
  

 

 

    

 

 

    

 

 

   

 

 

 
(in thousands)    December 31, 2010  
     Amortized
Cost
     Unrealized
Gains
     Unrealized
Losses
    Fair Value  

Marketable securities:

          

Government sponsored enterprise bonds

   $ 5,601         1         (9   $ 5,593   

Corporate bonds

     5,468                 (49     5,419   

Commercial paper

     2,999                 (1     2,998   

Municipal bonds

     2,114                        2,114   
  

 

 

    

 

 

    

 

 

   

 

 

 

Marketable securities

   $ 16,182         1         (59   $ 16,124   
  

 

 

    

 

 

    

 

 

   

 

 

 
  

 

 

    

 

 

    

 

 

   

 

 

 

All of the Company's investments are classified as available-for-sale and are carried at fair value with unrealized gains and losses recorded as a component of accumulated other comprehensive income. As of June 30, 2011, remaining maturities of marketable debt securities ranged from July 26, 2011 to November 26, 2014 with a weighted-average remaining maturity of approximately 19 months.