Series B Convertible Redeemable Preferred Stock (Details Textual) - Series B Convertible Redeemable Preferred Stock [Member] - USD ($)	6 Months Ended
	Jan. 31, 2016	Jul. 31, 2015	Sep. 30, 2011
Convertible Redeemable Preferred Stock, Series B [Line Items]
Preferred Stock, Shares Outstanding	0.001	262,475
Preferred Stock, Dividend Rate, Percentage	6.00%
Preferred Stock, Dividend Rate, Per-Dollar-Amount	$ 1.00
Stock Conversion Price	$ 0.40
Weighted Average Price of Common Stock Percentage	70.00%
Preferred Stock, Redemption Price Per Share	$ 1.00
Preferred Stock, Liquidation Preference, Value	$ 2,600,000
Debt Instrument, Convertible, Threshold Trading Days	20
Before Amendment [Member]
Convertible Redeemable Preferred Stock, Series B [Line Items]
Preferred Stock, Shares Authorized			2,600,000
Preferred Stock, Par or Stated Value Per Share			$ 0.001
After Amendment [Member]
Convertible Redeemable Preferred Stock, Series B [Line Items]
Preferred Stock, Shares Authorized			325,000
Preferred Stock, Par or Stated Value Per Share			$ 0.008