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7. Derivative liability (Details Narrative) (USD $)
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12 Months Ended | 178 Months Ended | |
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2012
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| Derivative Liability | |||
| Unrealized gain/loss on derivatives | $ (4,023,094) | $ 2,021,536 | $ (1,894,893) |
| Warrants expired unexercised | 220,000 | ||
| Warrants exercised | 3,690,000 | ||
| Gain related to the extinguishment of derivative liability | 2,445,095 | 2,445,095 | |
| Fair value of derivative liabilities | $ 3,221,138 | $ 1,643,139 | $ 3,221,138 |
| X | ||||||||||
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- Definition
Fair values as of the balance sheet date of all liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments, and which are expected to be extinguished or otherwise disposed of within a year or the normal operating cycle, if longer, net of the effects of master netting arrangements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Warrants exercised, shares issued No definition available.
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