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Note 4 - Game Development Assets (Tables)
3 Months Ended
Mar. 31, 2018
Notes Tables  
Expense of Development Costs [Table Text Block]
   
March 31, 2018
   
March 31, 2017
 
Opening total game development costs
  $
5,768,476
    $
4,935,274
 
                 
Game development during the period
   
270,619
     
214,495
 
Closing total game development costs
  $
6,039,095
    $
5,149,769