401(k) Savings Plan

12 Months Ended

Dec. 31, 2016

Defined Contribution Pension and Other Postretirement Plans Disclosure [Abstract]

401(k) Savings Plan

13. 401(k) Savings Plan

The Company has a defined contribution savings plan under Section 401(k) of the Internal Revenue Code. This plan covers substantially all employees who meet minimum age and service requirements and allows participants to defer a portion of their annual compensation on a pre-tax basis. Company contributions to the plan may be made at the discretion of the Company’s board of directors. The Company has elected to match 100% of employee contributions to the 401(k) Plan up to 4% of the employee’s earnings, subject to certain limitations. Company contributions under the 401(k) Plan were $176,  $99 and $60 for the years ended December 31, 2016, 2015 and 2014, respectively.