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Revenue (Tables)
6 Months Ended
Jan. 31, 2020
Revenue from Contract with Customer [Abstract]  
Schedule of revenue by type of service

   Three Months Ended
January 31,
   Six Months Ended
January 31,
 
   2020   2019   2020   2019 
   (in thousands)   (in thousands) 
Advertising revenue  $2,260   $2,374   $3,927   $4,572 
Subscriptions and Zedge Premium revenue   384    21    750    33 
Service revenue   -    178    -    349 
Total Revenue  $2,644   $2,573   $4,677   $4,954