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Summary of Significant Accounting Policies (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Summary of Significant Accounting Policies (Additional Textual) [Abstract]    
Renewable terms of FCC broadcasting licenses 8 years  
Weighted-average period before the next renewal of the Company's FCC broadcasting licenses 4 years 3 months 18 days  
Option to purchase additional shares $ 0.2  
Option to purchase additional shares expiry May 31, 2013  
Advertising agency commissions of gross revenue 15.00%  
Barter sales revenue from Broadcasting Service 3.7 4.0
Barter sales expenses from Broadcasting Service 3.3 3.6
Quu, Inc. [Member]
    
Summary of Significant Accounting Policies (Textual) [Abstract]    
Carrying value of the investment in Quu, Inc. $ 0.9  
Geographic Concentration Risk [Member]
    
Summary of Significant Accounting Policies (Textual) [Abstract]    
Radio stations contributed to net revenue 47.10% 48.20%