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Stockholders' Equity (Details)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Summary of Weighted average assumptions used for calculating per share weighted average fair value of stock options    
Expected term 7 years 7 years
Dividends to common stockholders 0.00% 0.00%
Risk-free interest rate 1.87% 1.16%
Expected volatility 123.16% 121.49%