Basic and Diluted Loss Per Share - Schedule of Weighted Average Outstanding Common Shares Not Included in Calculation of Diluted Net Loss Per Share (Details) - shares	3 Months Ended	9 Months Ended
Apr. 30, 2019	Apr. 30, 2018	Apr. 30, 2019	Apr. 30, 2018
Class of Stock [Line Items]
Total	2,397,811	15,461,200	11,202,440	15,461,200
Series C Preferred Stock [Member]
Class of Stock [Line Items]
Total	366,013	1,551,200	1,164,821	1,551,200
Series D Preferred Stock [Member]
Class of Stock [Line Items]
Total	2,031,798	13,910,000	10,037,619	13,910,000

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.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration