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Weighted-average assumptions used to determine the fair value of options granted (Details)
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Mar. 15, 2013
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Feb. 13, 2013
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Jan. 02, 2013
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|---|---|---|---|
| Risk free interest rate | 0.84% | 0.92% | 0.76% |
| Expected life (years) | 6.5 | 6.5 | 6.5 |
| Dividend yield | 0.00% | 0.00% | 0.00% |
| Volatility | 132.00% | 137.00% | 138.00% |
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- Definition
Dividend yield No definition available.
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- Definition
Expected life (years) No definition available.
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- Definition
Risk free interest rate No definition available.
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- Definition
Volatility No definition available.
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