Benefit Plan	12 Months Ended
Dec. 28, 2018
Compensation And Retirement Disclosure [Abstract]
Benefit Plan	12. Benefit Plan The Company maintains a 401(k) plan covering all eligible employees. Subject to certain dollar limits, eligible employees may contribute up to 15% of their pre-tax annual compensation to the plan. The Company may make discretionary contributions on an annual basis. Effective April 1, 2018, the Company made matching contributions of 40% of employee eligible contributions up to 6% of their gross salaries. During fiscal year 2017, the Company made matching contributions of 25% of employee contributions up to 6% of their gross salaries. During fiscal year 2016, the Company made matching contributions of 25% of employee contributions up to 4% of their gross salaries. The Company’s matching contributions were $1.1 million, $0.5 million and $0.6 million for the fiscal years ended December 28, 2018 December 29, 2017 and December 30, 2016.

Benefit Plan

12 Months Ended

Dec. 28, 2018

Compensation And Retirement Disclosure [Abstract]

12. Benefit Plan

The Company maintains a 401(k) plan covering all eligible employees. Subject to certain dollar limits, eligible employees may contribute up to 15% of their pre-tax annual compensation to the plan. The Company may make discretionary contributions on an annual basis. Effective April 1, 2018, the Company made matching contributions of 40% of employee eligible contributions up to 6% of their gross salaries. During fiscal year 2017, the Company made matching contributions of 25% of employee contributions up to 6% of their gross salaries. During fiscal year 2016, the Company made matching contributions of 25% of employee contributions up to 4% of their gross salaries. The Company’s matching contributions were $1.1 million, $0.5 million and $0.6 million for the fiscal years ended December 28, 2018 December 29, 2017 and December 30, 2016.