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Recent Accounting Pronouncements (Details Narrative)
6 Months Ended
Jan. 31, 2019
USD ($)
Accounting Changes and Error Corrections [Abstract]  
Restricted cash $ 75,000
Income tax examination description The reduction of the U.S. federal corporate tax rate from 35% to 21% resulted in a remeasurement of our deferred tax assets.
Federal corporate tax rate 21.00%