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10. Fair Value of Warrants (Tables) | 12 Months Ended
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Dec. 31, 2012
Notes to Financial Statements |
Schedule of the assumptions used in computing the fair value of liability warrants |
Expected dividend yield |  |  | 0% |
Risk-free interest rate |  |  | 0.67% - 0.86% |
Expected volatility |  |  | 79.08% - 119.03% |
Expected Life (years) |  |  | 5.0 |
Exercise price |  | $ | 0.001 |
Company stock price |  | $ | 0.40 - $0.73 |
The following tables summarize the assumptions used in computing the fair value of liability warrants subject to fair value accounting at December 31, 2012:
Expected dividend yield |  |  | 0% |
Risk-free interest rate |  |  | 0.72% |
Expected volatility |  |  | 79.08% |
Expected Life (years) |  |  | 4.5-5.0 |
Exercise price |  | $ | 0.001 |
Company stock price |  | $ | 0.70 |

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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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