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Fair value assumptions (Details)
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6 Months Ended | |
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Jun. 30, 2013
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Jun. 30, 2012
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| Fair value assumptions | ||
| Minimum percentage of Expected volatility | 114.68% | 114.66% |
| Maximum percentage of Expected volatility | 194.14% | 125.11% |
| Expected dividends percentage | 0.00% | 0.00% |
| Expected term in years | 3 | 3 |
| Minimum Risk free rate percentage | 0.25% | 0.25% |
| Maximum Risk free rate percentage | 0.33% | |
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- Definition
Expected dividends percentage No definition available.
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- Definition
Expected term in years No definition available.
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- Details
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- Definition
Maximum percentage of Expected volatility No definition available.
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- Definition
Maximum Risk free rate percentage No definition available.
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- Definition
Minimum percentage of Expected volatility No definition available.
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- Definition
Minimum Risk free rate percentage No definition available.
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