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Long-Term Trade And Unbilled Receivables
12 Months Ended
Dec. 31, 2011
Long-Term Trade And Unbilled Receivables [Abstract]  
Long-Term Trade And Unbilled Receivables
Note 7 -           LONG-TERM TRADE AND UNBILLED RECEIVABLES

   
December 31,
 
   
2011
   
2010
 
Receivables
  $ 5,303     $ 16,211  
Unbilled receivables
    157,459       74,132  
    $ 162,762     $ 90,343  
 
The majority of the long-term unbilled receivables are expected to be billed and collected during 2013 – 2015.