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3. Summary of Significant Accounting Policies (Details 9) (USD $)
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6 Months Ended |
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Jun. 30, 2012
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November 2011 Warrants
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| Expected term (in months) | 60 months |
| Expected volatility | 104.50% |
| Risk-free interest rate | 0.875% |
| Exercise price | $ 0.81 |
| Fair value per warrant | $ 0.54 |
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November 2011 Warrants Revalued June 2012
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| Expected term (in months) | 53 months |
| Expected volatility | 123.90% |
| Risk-free interest rate | 0.75% |
| Exercise price | $ 0.74 |
| Fair value per warrant | $ 0.3 |
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- Definition
No authoritative reference available. No definition available.
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- Definition
No authoritative reference available. No definition available.
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- Definition
Expected term of share-based compensation awards, 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
The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The risk-free interest rate assumption that is used in valuing an option on its own shares. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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