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Note 9 - Content and Software Development Costs (Tables)
 12 Months Ended
Dec. 31, 2020
Notes Tables  
Expense of Development Costs [Table Text Block]
   
2020
    
2019
  
Opening total content and software development costs
   $
7,730,851
     $
6,716,810
  
                 
Content and software development during the year
    
1,149,902
      
1,014,041
  
Closing total Content and software development costs
   $
8,880,753
     $
7,730,851