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Warrant Derivative Liability (Detail) - Summary of inputs and assumptions used to calculate the fair value of the warrant derivative liability (USD $)
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9 Months Ended | 12 Months Ended |
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Mar. 31, 2013
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Jun. 30, 2012
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| Common stock price (in Dollars per share) | $ 0.54 | $ 0.76 |
| Risk-free interest rate | 0.10% | 0.20% |
| Dividend yield | 0.00% | 0.00% |
| Volatility | 98.60% | 100.00% |
| Remaining contractual term (in years) | 146 days | 1 year 73 days |
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Minimum [Member]
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| Exercise price (in Dollars per share) | $ 1.82 | $ 1.82 |
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Maximum [Member]
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| Exercise price (in Dollars per share) | $ 2.34 | $ 2.34 |
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- Definition
Agreed upon price for the exchange of the underlying asset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Expected dividends to be paid to holders of the underlying shares or financial instruments (expressed as a percentage of the share or instrument's price). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Period the instrument, asset or liability is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Risk-free interest rate assumption used in valuing an instrument. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Price of a single share of a number of saleable stocks of a company. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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