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Note 7 - Content and Software Development Assets (Tables)
3 Months Ended
Mar. 31, 2021
Notes Tables  
Expense of Development Costs [Table Text Block]
   
March 31, 2021
   
March 31, 2020
 
Opening total development costs
  $
8,880,753
    $
7,730,851
 
                 
Development during the period
   
337,293
     
284,723
 
Closing total development costs
  $
9,218,046
    $
8,015,574