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FAIR VALUE MEASUREMENTS AND MARKETABLE SECURITIES (Tables)
12 Months Ended
Dec. 31, 2014
Fair Value Disclosures [Abstract]  
Schedule Of Fair Value Of Available-For-Sale Securities By Major Security Type
The amortized cost and market value of our available-for-sale securities by major security type were as follows (in thousands):
                                   
      December 31, 2013  
     
Level 1
   
Level 2
   
Level 3
   
Total
 
 
Bank certificates of deposit
  $     $ 2,639     $     $ 2,639  
      $     $ 2,639     $     $ 2,639