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Fair Value of Financial Instruments (Details) (USD $)	12 Months Ended
Fair Value of Financial Instruments (Details) (USD $)	Jul. 31, 2014	Jul. 31, 2013
Derivative Liabilities At Fair Value [Line Items]
Derivative Liabilities, Beginning Balance	$ 51,000	$ 319,000
Derivative Issuances
Settlement of conversion feature liability	(97,000)	(33,000)
Adjustments to estimated fair value	55,000	(235,000)
Derivative Liabilities, Ending Balance	9,000	51,000
Warrants [Member]
Derivative Liabilities At Fair Value [Line Items]
Derivative Liabilities, Beginning Balance	51,000	286,000
Derivative Issuances
Settlement of conversion feature liability	(97,000)
Adjustments to estimated fair value	55,000	(235,000)
Derivative Liabilities, Ending Balance	9,000	51,000
Conversion Feature Liability [Member]
Derivative Liabilities At Fair Value [Line Items]
Derivative Liabilities, Beginning Balance		33,000
Derivative Issuances
Settlement of conversion feature liability		$ (33,000)

Fair value, after the 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, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

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