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Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2012
Revenue and Expense Recognized for Advertising Barter Transactions

The amount of revenue and expense recognized for advertising barter transactions is as follows:

 

     2012      2011      2010  

Net revenues

    $ 6,798       $ 7,153       $ 6,608   

Direct advertising expenses

    $ 2,900       $ 2,766       $ 2,768   

General and administrative expenses

    $ 3,699       $ 3,524       $ 3,242