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Other Equity and Common Stock Transactions (Details) (USD $)
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1 Months Ended | 3 Months Ended | 6 Months Ended | |
|---|---|---|---|---|
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May 31, 2013
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Jan. 31, 2014
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Jan. 31, 2014
|
Jul. 31, 2013
|
|
| Other equity and common stock transactions | ||||
| Authorized issuance of shares to consultant | 500,000 | |||
| Payables for the issuance of stock to consultants | $ 150,000 | |||
| Amortization period for consulting services | 9 months | |||
| Consulting expense | $ 50,000 | $ 100,000 | ||
| Warrants outstanding | 60,562,459 | 60,562,459 | 57,644,276 | |
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Minimum
|
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| Other equity and common stock transactions | ||||
| Warrants exercise price (in dollars per share) | $ 0.26 | $ 0.26 | ||
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Maximum
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| Other equity and common stock transactions | ||||
| Warrants exercise price (in dollars per share) | $ 1.20 | $ 1.20 |