XML 37 R24.htm IDEA: XBRL DOCUMENT v3.10.0.1
Note 5 - Property and Equipment (Tables)
9 Months Ended
Sep. 30, 2018
Notes Tables  
Property, Plant and Equipment [Table Text Block]
   
September 30,
   
December 31,
 
   
2018
   
2017
 
                 
Structures and displays
  $
43,984,253
    $
10,484,725
 
Vehicles and equipment
   
232,967
     
143,154
 
Office furniture and equipment
   
1,319,407
     
395,981
 
Accumulated depreciation
   
(3,006,213
)    
(1,912,847
)
                 
Total Property and Equipment, net
  $
42,530,414
    $
9,111,013