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Note 6 - Content and Software Development Assets (Tables)
 6 Months Ended
Jun. 30, 2019
Notes Tables  
Expense of Development Costs [Table Text Block]
   
Six Months
ended June 30,
2019
    
Six Months
ended June 30,
2018
    
Three Months
ended June 30,
2019
    
Three Months
ended June 30,
2018
  
                                 
Opening total software development costs
   $
6,716,810
     $
5,768,476
     $
6,971,267
     $
6,039,095
  
                                 
Software development during the period
    
539,761
      
536,064
      
285,304
      
265,445
  
Closing total Software development costs
    
7,256,571
      
6,304,540
      
7,256,571
      
6,304,540