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Fair Value Measurements (Tables)
3 Months Ended
Mar. 31, 2013
Assets and Liabilities Carried at Fair Value Measured on a Recurring Basis

The following tables present our assets and liabilities carried at fair value that are measured on a recurring basis:

 

Description    Fair Value
at
March 31,
2013
     Fair Value Measurements
at March 31, 2013 Using
 
      Level
1
     Level
2
     Level
3
 

Assets:

           

Available-for-sale securities

   $ 240       $ 240                 

Liabilities:

           

Derivative financial instruments

   $ 176              $ 176         

 

Description    Fair Value at
December 31,
2012
     Fair Value Measurements
at December 31, 2012 Using
 
      Level
1
     Level
2
     Level
3
 

Assets:

           

Available-for-sale securities

   $ 226       $ 226                 

Liabilities:

           

Derivative financial instruments

   $ 197               $ 197