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Assumptions Used For Derivative Liability (Detail) (USD $)
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1 Months Ended | 6 Months Ended | |
|---|---|---|---|
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Feb. 04, 2014
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Mar. 31, 2014
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Sep. 30, 2013
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| Closing price per share of common stock | $ 0.30 | $ 0.001 | $ 0.001 |
| Dividend yield | 0.00% | 0.00% | |
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Maximum
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| Exercise price per share | $ 0.40 | $ 0.40 | |
| Expected volatility | 125.00% | 125.00% | |
| Risk-free interest rate | 1.46% | 1.67% | |
| Remaining expected term of underlying securities (years) | 5 years | 4 years 10 months 6 days | |
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Minimum
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| Exercise price per share | $ 0.30 | $ 0.30 | |
| Expected volatility | 100.00% | 100.00% | |
| Risk-free interest rate | 0.12% | 0.11% | |
| Remaining expected term of underlying securities (years) | 1 year | 10 months 6 days |