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Goodwill (Tables)
 9 Months Ended
Sep. 30, 2023
Goodwill [Line Items]  
Summary of Carrying Amount of Goodwill

Changes in the carrying amount of goodwill for the nine months ended September 30, 2023 are as follows:

 

Balance as of January 1, 2023

 

$

13,265,460

 

Impairment losses (see below)

 

 

(10,582,360

)

Balance as of September 30, 2023

 

$

2,683,100

 
Boston, MA radio market cluster [Member]  
Goodwill [Line Items]  
Summary of Key Assumptions Used in the Discounted Cash Flow Analyses The key assumptions used in the discounted cash flow analyses are as follows:

 

Revenue growth rates

 

(1.9)% - 11.1%

Operating income margins

 

5.4% - 29.8%

Discount rate

 

9.5%
Philadelphia, PA Market Cluster [Member]  
Goodwill [Line Items]  
Summary of Key Assumptions Used in the Discounted Cash Flow Analyses The key assumptions used in the discounted cash flow analysis are as follows:

 

Revenue growth rates

 

(9.3)% - 1.4%

Operating income margin

 

27.9%

Discount rate

 

10.0%