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5. Capital Stock (Detail) - Fair Value for Stock-based Compensation for Options Grants (USD $)
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3 Months Ended | 12 Months Ended |
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Mar. 31, 2013
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Dec. 31, 2012
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| Risk-free interest rate | 2.52% | 1.76% |
| Expected life | 5 years | 5 years |
| Expected dividends | 0.00% | 0.00% |
| Expected volatility | 305.00% | 252.00% |
| Forfeiture rate (in Dollars per share) | $ 0.00 | $ 0.00 |
| 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
Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price. 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
The combined weighted average of the accumulated differences between the fair values on underlying shares and exercises prices to acquire such shares as of the grant date on options that were either forfeited or lapsed. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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