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Derivative Liability (Tables)
6 Months Ended
Jun. 30, 2012
Derivative liability [Abstract]  
Key assumptions used to calculate fair value of warrant derivative liabilities
June 30, 2012December 31, 2011
Expected term0.3 to 2.80 years0.5 to 2.90 years
Volatility208.6% - 263.4%204.7% - 315.2%
Risk-free interest rate0.09% - 0.41%0.06% - 0.36%
Dividend yield0%0%
Liabilities measured at fair value
Value atQuoted prices
in active
markets
Significant other
observable
inputs
Significant
unobservable
inputs
June 30, 2012(Level 1)(Level 2)(Level 3)
Derivative liability
$
225
$
-
$
-
$
225
Changes in the market value of the Level 3 derivative liability
Derivative Liability
Balance at January 1, 2012
$
281
Additional liabilities recorded for warrants issued related to note financing47 
Additional liabilities recorded related to warrants issued for services
Gain on derivative liability(106)
Balance at June 30, 2012
$
225