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Note 4 - Software Development Assets (Tables)
 6 Months Ended
Jun. 30, 2018
Notes Tables  
Expense of Development Costs [Table Text Block]
                         
   
Six Months ended
June 30, 2018
    
Six Months ended
June 30, 2017
    
Three Months ended
June 30, 2018
    
Three Months ended
June 30, 2017
  
                                 
Opening total software development costs
   $
5,768,476
     $
4,935,274
     $
6,039,095
     $
5,149,769
  
                                 
Software development during the period
    
536,064
      
411,311
      
265,445
      
196,816
  
Closing total Software development costs
    
6,304,540
      
5,346,585
      
6,304,540
      
5,346,585