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Stockholders' Transactions - Assumptions for Fair Value of Warrants Granted (Details)
12 Months Ended
Dec. 31, 2013
Share based Compensation Arrangement by Share based Payment Award, Fair Value Assumptions, Method Used [Line Items]  
Risk-free interest rate 3.89%
Expected volatility 128.18%
Expected life of warrants 5 years
Expected dividend yield 0.00%