401(k) Plan	12 Months Ended
Dec. 31, 2018
Retirement Benefits [Abstract]
401(k) Plan	401(k) Plan The Company has a 401(k) plan (the “401(k) Plan”) covering all employees who have completed one month of service. Under the 401(k) Plan, participants could defer up to 90% of their eligible wages to a maximum of $18,500 per year (annual limit for 2018). Employees age 50 or over in 2018 could make additional pre-tax contributions up to $6,000. Annually, the Company could elect to match employee contributions up to 5% of the employee’s eligible compensation. Additionally, the Company could elect to make a discretionary contribution to the 401(k) Plan. The Company did not provide matching contributions for the years ended December 31, 2017, and 2016. The matching contribution for the year ended December 31, 2018 was $1.9 million.

401(k) Plan

12 Months Ended

Dec. 31, 2018

The Company has a 401(k) plan (the “401(k) Plan”) covering all employees who have completed one month of service. Under the 401(k) Plan, participants could defer up to 90% of their eligible wages to a maximum of $18,500 per year (annual limit for 2018). Employees age 50 or over in 2018 could make additional pre-tax contributions up to $6,000. Annually, the Company could elect to match employee contributions up to 5% of the employee’s eligible compensation. Additionally, the Company could elect to make a discretionary contribution to the 401(k) Plan. The Company did not provide matching contributions for the years ended December 31, 2017, and 2016. The matching contribution for the year ended December 31, 2018 was $1.9 million.