Series B Convertible Redeemable Preferred Stock (Details Textual) - Series B Convertible Redeemable Preferred Stock [Member] - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Jul. 31, 2015 |
Jul. 31, 2014 |
Sep. 30, 2011 |
|
| Convertible Redeemable Preferred Stock, Series B [Line Items] | |||
| Preferred Stock, Shares Outstanding | 262,475 | 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 | ||
| 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 |