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Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 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 December 31, 2013:
 
 
 
Fair Value Measurements at December 31, 2013 Using
 
 
 
Quoted Prices in
 
Significant Other
 
Significant
 
 
 
 
 
 
Active Markets for
 
Observable
 
Unobservable
 
 
 
 
 
 
Identical Assets
 
Inputs
 
Inputs
 
 
 
 
 
 
(Level 1)
 
(Level 2)
 
(Level 3)
 
Total
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Derivative liability
 
$
-
 
$
-
 
$
300,939
 
$
300,939
 
Warrant liability
 
 
-
 
 
-
 
 
803,484
 
 
803,484
 
Total
 
$
-
 
$
-
 
$
1,104,423
 
$
1,104,423
 
 
 
 
Fair Value Measurements at December 31, 2012 Using
 
 
 
Quoted Prices in
 
Significant Other
 
Significant
 
 
 
 
 
 
Active Markets for
 
Observable
 
Unobservable
 
 
 
 
 
 
Identical Assets
 
Inputs
 
Inputs
 
 
 
 
 
 
(Level 1)
 
(Level 2)
 
(Level 3)
 
Total
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Derivative liability
 
$
-
 
$
-
 
$
605,516
 
$
605,516
 
Warrant liability
 
 
-
 
 
-
 
 
1,730,044
 
 
1,730,044
 
Total
 
$
-
 
$
-
 
$
2,335,560
 
$
2,335,560
 
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 years ended December 31, 2013 and 2012:
 
 
 
Warrant
 
Derivative
 
Total
 
 
 
Liability
 
Liability
 
Liability
 
 
 
 
 
 
 
 
 
 
 
 
Balance December 31, 2011
 
$
-
 
$
-
 
$
-
 
 
 
 
 
 
 
 
 
 
 
 
Liability on issuance of debt and warrants
 
 
2,507,868
 
 
2,167,341
 
 
4,675,209
 
 
 
 
 
 
 
 
 
 
 
 
Elimination of liability on conversion
 
 
(490,204)
 
 
(581,696)
 
 
(1,071,900)
 
 
 
 
 
 
 
 
 
 
 
 
Change in estimated fair value (1)
 
 
(287,620)
 
 
(980,129)
 
 
(1,267,749)
 
 
 
 
 
 
 
 
 
 
 
 
Balance December 31, 2012
 
 
1,730,044
 
 
605,516
 
 
2,335,560
 
 
 
 
 
 
 
 
 
 
 
 
Liability on issuance of debt and warrants
 
 
762,111
 
 
929,156
 
 
1,691,267
 
 
 
 
 
 
 
 
 
 
 
 
Elimination of liability on conversion
 
 
-
 
 
(107,639)
 
 
(107,639)
 
 
 
 
 
 
 
 
 
 
 
 
Change in estimated fair value (1)
 
 
(1,688,671)
 
 
(1,126,094)
 
 
(2,814,765)
 
 
 
 
 
 
 
 
 
 
 
 
Balance December 31, 2013
 
$
803,484
 
$
300,939
 
$
1,104,423
 
 
(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 year ended December 31, 2013:
 
 
 
 
12/31/2013
 
12/31/2012
 
 
 
Derivative Liability
 
 
Warrant Liability
 
 
Derivative Liability
 
 
Warrant Liability
Expected term
 
 
6 months - 1 year
 
 
5 years
 
 
6 months
 
 
5 years
Exercise price
 
 
$0.045 - $0.099
 
 
$0.075 - $0.1287
 
 
$0.0573- $0.099
 
 
$0.0745 - $0.1287
Expected volatility
 
 
70% - 244%
 
 
175% - 186%
 
 
98% -193%
 
 
95% - 170%
Expected dividends
 
 
None
 
 
None
 
 
None
 
 
None
Risk-free interest rate
 
 
.04% - .14%
 
 
.77% - 1.75%
 
 
.11% - .15%
 
 
.62% - 1.11%
Forfeitures
 
 
None
 
 
None
 
 
None
 
 
None