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Note 8 - Content and Software Development Assets (Tables)
 9 Months Ended
Sep. 30, 2020
Notes Tables  
Expense of Development Costs [Table Text Block]
   
Nine Months
ended
September 30,
2020
    
Nine Months
ended
September 30,
2019
    
Three Months
ended
September 30,
2020
    
Three Months
ended
September 30,
2019
  
                                 
Opening total software development costs
   $
7,672,376
     $
6,716,810
     $
8,198,229
     $
7,219,068
  
                                 
Software development during the period
    
805,217
      
751,727
      
279,364
      
249,469
  
Closing total Software development costs
   $
8,477,593
     $
7,468,537
     $
8,477,593
     $
7,468,537