Net (Loss) / Income Per Share (“EPS”) - Computation of diluted EPS (Details) - shares	12 Months Ended
Jul. 31, 2018	Jul. 31, 2017
Accounting Policies [Abstract]
Weighted average number of common shares outstanding - Basic	1,068,100	987,288
Potentially dilutive common stock equivalents	1,523,028
Weighted average number of common and equivalent shares outstanding-Diluted	2,591,129	987,288

Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible debt securities using the if-converted method.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 45
-Paragraph 40
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=109260490&loc=d3e1930-109256

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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