Quarterly report pursuant to Section 13 or 15(d)

Business Acquisitions and Asset Purchases (Detail)

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Business Acquisitions and Asset Purchases (Detail) (USD $)
Jun. 30, 2012
May 15, 2012
Churchangel.com and rchurch.com
Apr. 10, 2012
WKDL-AM, Warrenton, Texas
Jan. 13, 2012
KTNO-AM, Dallas, Texas
Business Acquisition [Line Items]        
Business acquisition, total cost $ 2,345,000 $ 165,000 $ 30,000 $ 2,150,000