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Employee Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2017

Market and Service Condition Based Restricted Stock Unit Grants

Schedule of Share-based Payment Award, Restricted Stock Unit, Valuation Assumptions

The weighted average grant date fair value for these RSUs was $11.49 per share, which was determined using the Monte Carlo simulation model using the following weighted average assumptions:

Expected volatility (company)	73.7%
Expected volatility (peer group median)	33.8%
Correlation between the company and peer group median	0.33
Expected dividend yield	0.00%
Risk-free rate	1.5%

Stock Options

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

The weighted average grant date fair value of the options was $7.26 and was determined using the Black-Scholes option-pricing model with the following weighted average assumptions:

Expected life	6.0 years
Expected volatility	59.2%
Expected dividend yield	0.00%
Risk-free rate	2.2%

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- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of restricted stock units subject to market conditions.

+ References

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- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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