4. Black-Scholes valuation for the warrants (Details)

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4. Black-Scholes valuation for the warrants (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012
Black-Scholes Valuation For Warrants Details
Debt discount	$ 1,582	$ 0	$ 379,689
Risk-free interest rate			0.73%
Expected life in years			5 years
Dividend yield			0.00%
Expected volatility			63.65%