Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of grant date fair value and related assumptions of Options granted

The assumptions used in these calculations are noted in the following table. Expected volatilities are based on implied volatilities from comparable companies. The expected time to liquidity is based on management’s estimate. The risk-free rate is based on the U.S. Treasury yield curve for a term equivalent to the estimated time to liquidity. The expected dividend yield is 0% for all stock awards.

	Three Months Ended   March 31, 2016	Three Months Ended   March 31, 2015
Option valuation assumptions:
Expected dividend yield	—%	—%
Expected volatility	55%	53%
Risk-free interest rate	1.67%	1.44%
Expected term (in years)	6.3	6.7

Schedule of Share-based Compensation, Stock Options, Activity

A summary of the changes in stock options outstanding during the three months ended March 31, 2016, is as follows:

	Number of Options	Weighted Average Exercise Price	Weighted Average Remaining Contract Term (years)	Aggregate Intrinsic Value
Options outstanding as of December 31, 2015	765,375	$12.46
Granted	227,600	$16.98
Canceled	(95,000)	$15.70
Options outstanding as of March 31, 2016	897,975	$13.26	8.6	$	3,339,193