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Summary of Significant Accounting Policies - Stock-Based Compensation (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Significant Accounting Policies [Line Items]    
Impairment of Intangible Assets, Finite-lived $ 0 $ 48,249
Current average expected forfeiture rate (percentage) 3.72% 50.21%
Equity Incentive 2011 Plan [Member]
   
Significant Accounting Policies [Line Items]    
Expected term (in years) 9 years 5 years
Weighted average volatility (percentage) 51.51% 54.89%
Weighted average risk free interest rate (percentage) 2.17% 0.75%
Expected dividends 0.00% 0.00%