401 (k) Plan	12 Months Ended
Dec. 31, 2021
Compensation And Retirement Disclosure [Abstract]
401 (k) Plan	11. 401(k) Plan The Company has a 401(k) retirement plan that qualifies as a defined contribution plan. All employees are eligible to participate on the first day of the month following their hire date with the Company. Under the defined contribution plan, employees may contribute up to the lesser of 90% of their pre-tax salaries per year or the maximum contribution allowed under the Code. The Company may make discretionary matching contributions, if deferral contributions are made by the employees. The Company’s matching contributions for the years ended December 31, 2021, 2020, and 2019 resulted in expense of $1.0 million, $0.6 million, and $0.6 million respectively.

401 (k) Plan

12 Months Ended

Dec. 31, 2021

Compensation And Retirement Disclosure [Abstract]

11. 401(k) Plan

The Company has a 401(k) retirement plan that qualifies as a defined contribution plan. All employees are eligible to participate on the first day of the month following their hire date with the Company. Under the defined contribution plan, employees may contribute up to the lesser of 90% of their pre-tax salaries per year or the maximum contribution allowed under the Code. The Company may make discretionary matching contributions, if deferral contributions are made by the employees. The Company’s

matching contributions for the years ended December 31, 2021, 2020, and 2019 resulted in expense of $1.0 million, $0.6 million, and $0.6 million respectively.