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Fair Value of Financial Instruments (Details 2) (USD $)
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12 Months Ended | 54 Months Ended | |
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Jul. 31, 2012
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Jul. 31, 2011
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Jul. 31, 2012
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| Activity for liabilities measured at estimated fair value using unobservable inputs | |||
| Re-classification of fair value to equity | $ 657,604 | ||
| (Gain) loss on adjustment to fair value of derivative liabilities | (4,192,781) | 1,041,795 | (3,150,986) |
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Warrant derivative liability
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| Activity for liabilities measured at estimated fair value using unobservable inputs | |||
| Balance at the beginning of the period | 4,850,385 | ||
| Adjustments to estimated fair value | (4,192,781) | ||
| Re-classification of fair value to equity | (657,604) | ||
| Balance at the end of the period | 4,850,385 | ||
| (Gain) loss on adjustment to fair value of derivative liabilities | $ 4,192,781 | $ 1,041,795 | |
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- Definition
Represents value of warrant shares reclassified into equity during the reporting period. No definition available.
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- Details
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- Definition
Amount of gain (loss) recognized in earnings, arising from liabilities measured at fair value on a recurring basis using unobservable inputs (level 3). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
This element represents a liability measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The increase (decrease) during the period, which was recognized in earnings, in the unrealized gains or losses on derivative instruments that are not or are no longer designated as hedging instruments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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