Annual report pursuant to Section 13 and 15(d)

Defined Contribution Plan - Additional Information (Details)

v3.20.1
Defined Contribution Plan - Additional Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 28, 2019
Dec. 29, 2018
Deferred Compensation Arrangement With Individual Postretirement Benefits [Line Items]    
Employer contributions to employee compensation plan $ 61 $ 40
Maximum    
Deferred Compensation Arrangement With Individual Postretirement Benefits [Line Items]    
Defined contribution plan, employer matching contribution, percent 5.00%