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Commitments and Contingencies (Details Narrative)
1 Months Ended 3 Months Ended 6 Months Ended
Feb. 28, 2016
USD ($)
Jan. 31, 2019
USD ($)
ft²
Jan. 31, 2018
USD ($)
Jan. 31, 2019
USD ($)
ft²
Jan. 31, 2018
USD ($)
Commitments and Contingencies Disclosure [Abstract]          
Area of land | ft²   4,000   4,000  
Lease expiration date description       The lease commenced September 15, 2014 and originally expired on September 30, 2015 and we have exercised our option to renew the lease and extended the expiration to September 15, 2017.  
Operating leases, rent expense | $ $ 0 $ 11,000 $ 11,000 $ 22,000 $ 22,000