Fair value of warrants was estimated on the date of grant (Details)
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12 Months Ended | |
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Dec. 31, 2012
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Dec. 31, 2011
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Expected volatility minimum | 114.66% | 60.75% |
Expected volatility maximum | 125.11% | 77.05% |
Expected dividends | 0.00% | 0.00% |
Expected term in years | 3 | 3 |
Risk free rate minimum | 0.25% | 0.25% |
Risk free rate maximum | 0.33% | 3.10% |
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Expected dividends No definition available.
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Expected dividends No definition available.
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Expected volatility maximum No definition available.
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Expected volatility minimum No definition available.
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Risk free rate No definition available.
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- Definition
Risk free rate No definition available.
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