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Fair Value Measurement of Assets and Liabilities (Tables) | 6 Months Ended
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Jun. 30, 2012
Fair Value Disclosures [Abstract] |
Fair value assumptions and methodology for assets and liabilities |
|  | For the Six |
|  | Months Ended June 30, 2011 |
Annual dividend yield |  |  | -- |
Expected life (years) |  |  | 0.08 – 3.0 |
Risk-free interest rate |  |  | 0.08%- 1.27% |
Expected volatility |  |  | 110% - 263%

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- Definition Tabular disclosure of the inputs and valuation techniques used to measure fair value, and a discussion of changes in valuation techniques and related inputs, if any, used to measure similar assets in prior periods (non-recurring basis) by class of asset or liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 33 -Subparagraph d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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