Benefit Plan	12 Months Ended
Dec. 29, 2017
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. During fiscal years 2017, 2016, and 2015, the Company made matching contributions of 25% of employee contributions up to 4% of their gross salaries. The Company’s matching contributions were $0.5 million, $0.6 million and $0.3 million for the fiscal years ended December 29, 2017, December 30, 2016 and January 1, 2016.

Benefit Plan

12 Months Ended

Dec. 29, 2017

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. During fiscal years 2017, 2016, and 2015, the Company made matching contributions of 25% of employee contributions up to 4% of their gross salaries. The Company’s matching contributions were $0.5 million, $0.6 million and $0.3 million for the fiscal years ended December 29, 2017, December 30, 2016 and January 1, 2016.