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Fair Value Of Financial Instruments (Tables)
6 Months Ended
Jun. 30, 2011
Fair Value Of Financial Instruments  
Schedule Of Financial Instruments Carried At Fair Value
     Financial Instruments
Carried at Fair Value
 
     June 30,
2011
     December 31,
2010
 

Assets:

     

Cash and cash equivalents

   $ 262,787       $ 220,938