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Note 5 - Property and Equipment (Tables)
9 Months Ended
Sep. 30, 2021
Notes Tables  
Property, Plant and Equipment [Table Text Block]
  

September 30,

  

December 31,

 
  

2021

  

2020

 
         

Structures and displays

 $45,132,713  $42,858,525 

Fiber, towers, and broadband equipment

  17,861,911   11,358,650 

Vehicles and equipment

  3,646,803   2,522,810 

Office furniture and equipment

  3,889,367   2,150,729 

Accumulated depreciation

  (14,306,461)  (10,382,442)
         

Total Property and Equipment, net

 $56,224,333  $48,508,272