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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-Name Accounting Standards Codification

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Net Income/Loss Per Share ("EPS") (Details Textual)	3 Months Ended		9 Months Ended		12 Months Ended
Net Income/Loss Per Share ("EPS") (Details Textual)	Apr. 30, 2013	Apr. 30, 2012	Apr. 30, 2013	Apr. 30, 2012	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	43,927,358		43,927,358	95,115,968	94,643,712	115,875,372	44,892,383
Outstanding Stock Options	204,230,062	4,076
Convertible Preferred Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	43,927,358	95,111,892	43,927,358	95,111,892
Series D Convertible Preferred Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	17,699,999