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Note 6 - Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2020
Notes Tables  
Property, Plant and Equipment [Table Text Block]
  

December 31,

 
  

2020

  

2019

 
         

Structures and displays

 $42,858,525  $41,320,458 
Fiber, towers, and broadband equipment  11,358,650   - 

Vehicles and equipment

  2,522,810   1,245,210 

Office furniture and equipment

  2,150,729   990,810 

Accumulated depreciation

  (10,382,442)  (6,731,459)
         

Total Property and Equipment, net

 $48,508,272  $36,825,019