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Note 4 - Other Assets (Tables)
6 Months Ended
Jun. 30, 2019
Notes Tables  
Schedule of Other Current Assets [Table Text Block]
Assets
 
June 30, 2019
   
December 31, 2018
 
                 
Advance funding for July 16, 2019 acquisition of the mobile customer base from STS Media Inc., (note 19)
  $
2,501
    $
-
 
    $
2,501
    $
-