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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)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Risk-free interest rate 1.30%  
Risk-free interest rate, minimum   1.50%
Risk-free interest rate, maximum   2.70%
Expected dividend yield 0.00% 0.00%
Expected volatility 249.00% 200.00%
Expected life 5 years  
Minimum [Member]    
Expected life   5 years
Maximum [Member]    
Expected life   10 years