Retirement Plan	9 Months Ended
Sep. 30, 2019
Compensation And Retirement Disclosure [Abstract]
Retirement Plan	15. Retirement Plan The Company has a defined-contribution plan under Section 401(k) of the Internal Revenue Code (the “401(k) Plan”). The 401(k) Plan covers all employees who meet defined minimum age and service requirements and allows participants to defer a portion of their annual compensation on a pre-tax basis. As currently established, the Company is not required to make contributions to the 401(k) Plan. The Company made matching contributions of $0.1 million for each of the three months ended September 30, 2019 and 2018, respectively. The Company made matching contributions of $0.3 million and $0.2 million for the nine months ended September 30, 2019 and 2018, respectively.

Retirement Plan

9 Months Ended

Sep. 30, 2019

Compensation And Retirement Disclosure [Abstract]

15. Retirement Plan

The Company has a defined-contribution plan under Section 401(k) of the Internal Revenue Code (the “401(k) Plan”). The 401(k) Plan covers all employees who meet defined minimum age and service requirements and allows participants to defer a portion of their annual compensation on a pre-tax basis. As currently established, the Company is not required to make contributions to the 401(k) Plan. The Company made matching contributions of $0.1 million for each of the three months ended September 30, 2019 and 2018, respectively. The Company made matching contributions of $0.3 million and $0.2 million for the nine months ended September 30, 2019 and 2018, respectively.