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Note 5 - Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Property, Plant and Equipment [Table Text Block]
  

December 31,

 
  

2021

  

2020

 
         

Structures and displays

 $56,087,039  $42,858,525 

Fiber, towers, and broadband equipment

  20,637,161   11,358,650 

Land

  7,035,274   359,692 

Vehicles and equipment

  4,419,615   2,522,810 

Office furniture and equipment

  4,006,032   2,150,729 

Accumulated depreciation

  (15,730,095)  (10,382,442)
         

Total Property and Equipment, net

 $76,455,026  $48,867,964