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6. Warrants valuation (Details) (USD $)
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6 Months Ended |
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Jun. 30, 2012
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| Warrants Valuation Details | |
| Warrants as debt issuance costs | $ 28,929 |
| Risk-free interest rate | 0.73% |
| Expected life in years | 5 years |
| Dividend yield | 0.00% |
| Expected volatility | 63.65% |
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- Definition
warrants as debt issuance costs
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