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Equity (Details 1) (USD $)
6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Minimum [Member]
Jun. 30, 2013
Maximum [Member]
Jun. 30, 2014
Warrant [Member]
Jun. 30, 2013
Warrant [Member]
Jun. 30, 2014
Warrant [Member]
Minimum [Member]
Jun. 30, 2013
Warrant [Member]
Minimum [Member]
Jun. 30, 2014
Warrant [Member]
Maximum [Member]
Jun. 30, 2013
Warrant [Member]
Maximum [Member]
Volatility      320.00% 325.00%   0.00% 320.00% 325.00% 330.00% 360.00%
Risk-free interest rate 2.70%          0.00% 6.00% 0.20% 1.60% 0.10%
Expected life (years) 10 years           2 years 6 months 2 years 6 months 5 years 5 years
Dividend yield          $ 0 $ 0