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Property and Equipment
 12 Months Ended
Dec. 31, 2021
Property, Plant and Equipment [Abstract]  
Property and Equipment
(4)
Property and Equipment
Property and equipment is comprised of the following:
 
    
December 31,
     
Estimated
useful lives
(years)
  
    
2020
     
2021
  
Land
    $ 13,342,547      $ 13,342,547        —    
Buildings and improvements
      30,416,904        31,716,052       
15-30
  
Broadcast equipment
      33,212,926        33,053,234       
5-15
  
Transportation equipment
      2,269,019        2,294,487        5  
Office equipment
      6,907,944        7,735,270       
5-10
  
Construction in progress
      2,610,137        2,878,319        —    
    
 
 
     
 
 
           
       88,759,477        91,019,909           
Less accumulated depreciation and amortization
      (35,091,927 )       (41,176,743 )          
    
 
 
     
 
 
           
     $ 53,667,550      $ 49,843,166           
    
 
 
     
 
 
           
The Company recorded depreciation expense of $7.4 million and $8.0 million for the years ended December 31, 2020 and 2021, respectively.