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Fair Value of Financial Instruments - Narrative (Details) - Warrant Liability - Significant Unobservable Inputs (Level 3)
9 Months Ended
Sep. 30, 2015
$ / shares
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Share Price (in dollars per share) $ 7.60
Risk free rate 1.56%
Expected term 6 years
Volatility assumption 32.70%
Expected dividend rate 0.00%