Quarterly report pursuant to Section 13 or 15(d)

Stock-based compensation - Valuation Assumptions (Details)

v3.7.0.1
Stock-based compensation - Valuation Assumptions (Details)
6 Months Ended
Jun. 30, 2017
$ / shares
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Expected volatility 37.00%
Risk-free rate of return 1.86%
Expected life (in years) 6 years 6 months
Dividend yield 0.00%
Weighted-average fair value (in dollars per share) $ 2.13