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3. Summary of Significant Accounting Policies - Stock-based compensation plan (Details) (USD $)
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3 Months Ended |
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Sep. 30, 2012
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| Assumptions | |
| Expected life (in years) | 6 years |
| Weighted average expected volatility | 124.90% |
| Risk-free interest rate | 0.70% |
| Weighted average re-priced Black-Scholes calculated fair value | $ 0.32 |
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- Definition
Weighted average expected dividend for an entity using a valuation technique with different dividend rates during the contractual term. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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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 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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- Definition
The range of expected volatilities used and the weighted-average expected volatility for an entity using a valuation technique with different volatilities during the contractual term. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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