Significant Accounting Policies (Details Narrative) - USD ($)	3 Months Ended
Oct. 31, 2019	Oct. 31, 2018
Computation of basic net loss per share	9,578,390	12,287,189
Impairment of long-lived assets
Share-based compensation expense	$ 458,000	$ 1,744,000
Customer Concentration Risk [Member] \| Sales Revenue, Net [Member] \| Individual Customer One [Member]
Concentration risk percentage	18.00%
Customer Concentration Risk [Member] \| Sales Revenue, Net [Member] \| Individual Customer Two [Member]
Concentration risk percentage	12.00%
Customer Concentration Risk [Member] \| Sales Revenue, Net [Member] \| Individual Customer Three [Member]
Concentration risk percentage	11.00%
Customer Concentration Risk [Member] \| Sales Revenue, Net [Member] \| Two Individual Customer [Member]
Concentration risk percentage		37.00%

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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