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RESTRICTED CASH EQUIVALENTS AND MARKETABLE SECURITIES (Tables)
 12 Months Ended
Dec. 31, 2012
RESTRICTED CASH EQUIVALENTS AND MARKETABLE SECURITIES  
Schedule of components of restricted cash equivalents and marketable securities

Restricted cash equivalents and marketable securities are comprised of cash equivalents and marketable securities as follows (in thousands):

 
   DECEMBER 31,  
 
   2012   2011  

Cash equivalents

   $ 302   $ —  

Marketable securities

     72     644  
           

Less:

     374     644  

Current portion

     (302 )   (295 )
           

 

   $ 72   $ 349