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FAIR VALUE (Details 2) (USD $)
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3 Months Ended | 3 Months Ended | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Jul. 31, 2012
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Jun. 13, 2012
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Jul. 31, 2012
Embedded Derivative Liability [Member]
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Jul. 31, 2011
Embedded Derivative Liability [Member]
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Jul. 31, 2012
Embedded Derivative Liability [Member]
Minimum [Member]
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Jul. 31, 2011
Embedded Derivative Liability [Member]
Minimum [Member]
|
Jul. 31, 2012
Embedded Derivative Liability [Member]
Maximum [Member]
|
Jul. 31, 2011
Embedded Derivative Liability [Member]
Maximum [Member]
|
Jul. 31, 2012
Warrant Liability [Member]
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Jul. 31, 2011
Warrant Liability [Member]
|
Jul. 31, 2012
Warrant Liability [Member]
Minimum [Member]
|
Jul. 31, 2011
Warrant Liability [Member]
Minimum [Member]
|
Jul. 31, 2012
Warrant Liability [Member]
Maximum [Member]
|
Jul. 31, 2011
Warrant Liability [Member]
Maximum [Member]
|
Jul. 31, 2012
May 2012 Notes [Member]
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| Exercise Price: | $ 0.15 | $ 0.15 | $ 0.15 | $ 0.15 | $ 0.15 | ||||||||||
| Stock Price: | $ 0.148 | $ 0.15 | $ 0.073 | $ 0.1485 | $ 0.073 | $ 0.1485 | $ 0.073 | ||||||||
| Expected term: | 92 days | 92 days | 162 days | 286 days | 15 days | 185 days | 1752 days | 1825 days | 291 days | ||||||
| Volatility % | 79.53% | 54.73% | 86.00% | 78.46% | 65.59% | 65.68% | 91.95% | 174.18% | 71.25% | ||||||
| Risk Free Rate: | 0.11% | 0.10% | 0.15% | 0.18% | 0.07% | 0.10% | 0.27% | 0.18% | 0.15% | ||||||