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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2013
Weighted Average Assumptions |
|  | December 31, |
|  | 2013 |  |  | 2012 |
Volatility |  |  | 168 | % |  |  | 172 | %
Risk-free interest rate |  |  | 1.37 | % |  |  | 0.79 | %
Expected life |  |  | 5 years |  |  |  | 5 years |
Dividend yield |  |  | 0 | % |  |  | 0 | %
Forfeiture Rate |  |  | 6 | % |  |  | 6 | %

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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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