Derivative Liabilities (Details Narrative) - USD ($)	3 Months Ended
Oct. 31, 2016	Oct. 31, 2015	Jul. 31, 2016
Derivative warrants weighted average remaining life	2 years 1 month
Recognition of gain (loss)	$ 586,487	$ 161,900
Increase (Decrease) in fair value of derivative warrant liability	(414,065)
Fair value of derivative liability	1,462,359		$ 2,048,846
Additional recognition of gain, “Change in fair value of derivative liabilities”	(154,063)	194,512
Series G Convertible Preferred Stock
Recognition of gain (loss)	193,408	$ 154,063
Fair value of derivative liability	$ 0		$ 193,408

Derivative Warrants Weighted Average Remaining Life.

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- References

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- Definition

Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
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- Definition

Amount of decrease in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of gain (loss) recognized in other comprehensive income (loss) of financial instrument classified as a derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

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