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Summary of Significant Accounting Policies - Summary of Fair Value of Option Estimated Using Black-Scholes Pricing Model with Valuation Assumptions (Details)
9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Risk-free interest rate, minimum 0.30% 1.50%
Risk-free interest rate, maximum 1.70% 2.70%
Expected dividend yield 0.00% 0.00%
Expected volatility, minimum 184.00% 200.00%
Expected volatility, maximum 249.00% 249.00%
Minimum [Member]    
Expected life 5 years 5 years
Maximum [Member]    
Expected life 7 years 10 years