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Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2012
Fair Value Measurements [Abstract]  
Schedule of Fair Value of Assets and Liabilities Measured on Recurring Basis
    Fair Value Measurement as of December 31, 2011  
    Total     Level 1     Level 2     Level 3  
Description     $       $       $       $  
Money market accounts (1)     10,000       10,000       -       -  

 

    Fair Value Measurement as of December 31, 2012  
      Total       Level 1       Level 2       Level 3  
Description     $       $       $       $  
Money market accounts (1)     10,000       10,000       -       -  
(1) Included in cash and cash equivalents on the accompanying consolidated balance sheet.