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Derivative Liability - Additional Information (Detail) (USD $)
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3 Months Ended | 9 Months Ended |
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Feb. 28, 2015
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Feb. 28, 2015
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| Derivative [Line Items] | ||
| Change in fair value of derivative liability | $ 1,261,545us-gaap_GainLossOnDerivativeInstrumentsNetPretax | $ 455,970us-gaap_GainLossOnDerivativeInstrumentsNetPretax |
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- Details
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- Definition
Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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