8. Derivative liability (Tables)
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6 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Jun. 30, 2012
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Notes to Financial Statements | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
The derivative liabilities were valued using a probability weighted average series of Black-Scholes-Merton models | The derivative liabilities were valued using a probability weighted average series of Black-Scholes-Merton models as a valuation technique with the following assumptions:
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