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Derivative Liabilities (Tables) | 6 Months Ended
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Jun. 30, 2014
Derivative Liabilities. |
Fair value assumptions schedule |
Estimated fair value of underlying common stock |  | $ | 3.00 |
Remaining life in years |  | 3.15 |
Risk-free interest rate |  | 0.38 | %
Expected volatility |  | 142 | %
Dividend yield |  | — |

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