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4. Black-Scholes valuation for the warrants (Details) (USD $)
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3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
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Sep. 30, 2012
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Sep. 30, 2011
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Sep. 30, 2012
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Sep. 30, 2011
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| Black-Scholes Valuation For Warrants Details | ||||
| Debt discount | $ 47,461 | $ 0 | $ 49,043 | $ 0 |
| Risk-free interest rate | 0.73% | |||
| Expected life in years | 5 years | |||
| Dividend yield | 0.00% | |||
| Expected volatility | 63.65% | |||
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Expected dividends to be paid to holders of the underlying shares or financial instruments (expressed as a percentage of the share or instrument's price). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Period the instrument, asset or liability is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Risk-free interest rate assumption used in valuing an instrument. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Weighted average expected volatility of stock price. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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