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Note 4 - Software Development Assets (Tables)
 9 Months Ended
Sep. 30, 2018
Notes Tables  
Expense of Development Costs [Table Text Block]
   
Nine Months
ended
September 30,
2018
    
Nine Months
ended
September 30,
2017
    
Three Months ended
September 30,
2018
    
Three Months ended
September 30,
2017
  
                                 
Opening total software development costs
   $
5,768,476
     $
4,935,274
     $
6,304,540
     $
5,346,585
  
                                 
Software development during the period
    
743,547
      
605,905
      
207,483
      
194,594
  
Closing total Software development costs
    
6,512,023
      
5,541,179
      
6,512,023
      
5,541,179