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Goodwill (Tables)
12 Months Ended
Dec. 31, 2015
Goodwill and Intangible Assets Disclosure [Abstract]  
Summary of Carrying Amount of Goodwill

The changes in the carrying amount of goodwill for the years ended December 31, 2014 and 2015 are as follows:

 

Balance as of January 1, 2014

   $ 7,062,310   

Goodwill from asset exchange (see Note 3)

     1,795,206   
  

 

 

 

Balance as of December 31, 2014

     8,857,516   

Impairment loss

     (3,520,933
  

 

 

 

Balance as of December 31, 2015

   $ 5,336,583   
  

 

 

 
Schedule of Key Assumptions in Discounted Cash Flow Analysis

The fair value of the Wilmington market cluster was estimated using an income approach. The income approach is based upon discounted cash flow analyses incorporating variables such as projected revenues, projected growth rate for revenues, projected station operating income margins, and a discount rate. The key assumptions in the discounted cash flow analyses are as follows:

 

Long-term revenue growth rate

   2.5%

Station operating income margins

   23.5% - 50%

Discount rate

   9.5%