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8. Fair Value of Warrants

6 Months Ended

Jun. 30, 2013

The following tables summarize the assumptions used in computing the fair value of liability warrants subject to fair value accounting at the date of issue during the six months ended June 30, 2013:

Expected dividend yield		0	%
Risk-free interest rate		0. 26% - 1.82	%
Expected volatility		74.40% - 89.37	%
Expected Life (years)		2.00 - 10.00
Exercise price	$	0.001 - $0.50
Company stock price	$	0.37 - $0.50