XML 42 R25.htm IDEA: XBRL DOCUMENT v3.19.1
Note 3 - Restricted Cash (Tables)
 12 Months Ended
Dec. 31, 2018
Notes Tables  
Restrictions on Cash and Cash Equivalents [Table Text Block]
   
December 31,
   
2018
  
2017
                 
Insurance premium escrow
   $
1,038,767
     $
247,230
  
Billboard replacement reserve
    
-
      
144,995
  
                 
Total Restricted Cash
   $
1,038,767
     $
392,225
  
   
December 31,
   
2018
  
2017
                 
Cash and cash equivalents
   $
17,105,072
     $
6,838,345
  
Restricted cash
    
1,038,767
      
392,225
  
                 
Total Cash, Cash Equivalents, and Restricted Cash as Presented in the Consolidated Statement of Cash Flows
   $
18,143,839
     $
7,230,570