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Stock-Based Compensation - Schedule of Fair Value Assumptions Used in Valuing Stock Options (Details) - Stock Option [Member]
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Volatility 49.00%  
Volatility, minimum   38.00%
Volatility, maximum   47.00%
Risk-free interest rate, minimum 2.04% 1.30%
Risk-free interest rate, maximum 2.26% 1.65%
Expected term 6 years 3 months 6 years 3 months