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Fair Value Measurements (Tables)
6 Months Ended
Jun. 30, 2013
Fair Value Measurements [Abstract]  
Balances of Liabilities Measured at Fair Value on Recurring Basis
The following table presents the balances of liabilities measured at fair value on a recurring basis by level as of June 30, 2013:
 
 
 
Fair Value Measurements Using
 
 
 
Quoted Prices in
 
Significant Other
 
Significant
 
 
 
 
 
 
Active Markets for
 
Observable
 
Unobservable
 
 
 
 
 
 
Identical Assets
 
Inputs
 
Inputs
 
 
 
 
 
 
(Level 1)
 
(Level 2)
 
(Level 3)
 
Total
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
As of June 30, 2013
 
 
 
 
 
 
 
 
 
 
 
 
 
Derivative liability
 
$
-
 
$
-
 
$
1,101,173
 
$
1,101,173
 
Warrant liability
 
 
-
 
 
-
 
 
2,254,836
 
 
2,254,836
 
Total
 
$
-
 
$
-
 
$
3,356,009
 
$
3,356,009
 
Changes in Liabilities with Significant Unobservable Inputs (Level 3)
The following table presents changes in the liabilities with significant unobservable inputs (Level 3) for the six months ended June 30, 2013:
 
 
 
Warrant
 
Derivative
 
Total
 
 
 
Liability
 
Liability
 
Liability
 
Balance Deember 31, 2012
 
$
1,730,044
 
$
605,516
 
$
2,335,560
 
 
 
 
 
 
 
 
 
 
 
 
Liability on issuance of debt and warrants
 
 
762,105
 
 
929,156
 
 
1,691,261
 
 
 
 
 
 
 
 
 
 
 
 
Change in estimated fair value (1)
 
 
(237,313)
 
 
(396,905)
 
 
(634,218)
 
 
 
 
 
 
 
 
 
 
 
 
Elimination of liability on conversion
 
 
-
 
 
(36,594)
 
 
(36,594)
 
 
 
 
 
 
 
 
 
 
 
 
Balance June 30, 2013
 
$
2,254,836
 
$
1,101,173
 
$
3,356,009
 
 
(1) Included in the Statement of Operations on the line “Change in fair value of derivative liabilities.”
Derivative and Warrant Liabilities
Management used the following inputs to value the Derivative and Warrant Liabilities for the six months ended June 30, 2013:
 
 
 
Derivative Liability
 
Warrant Liability
 
Expected term
 
6 months
 
5 years
 
Exercise price
 
$0.0573 - $0.099
 
$0.075 - $0.1287
 
Expected volatility
 
191% - 201%
 
173% - 176%
 
Expected dividends
 
None
 
None
 
Risk-free interest rate
 
.10% - .14%
 
.77% - 1.41%
 
Forteitures
 
None
 
None