Annual report pursuant to Section 13 and 15(d)

Major Customers and Suppliers - Additional Information (Details)

v3.20.1
Major Customers and Suppliers - Additional Information (Details)
12 Months Ended
Dec. 28, 2019
Dec. 29, 2018
Revenue Benchmark | One Customer    
Concentration Risk [Line Items]    
Concentration risk percentage 13.00% 19.00%
Accounts Receivable | Three Customers    
Concentration Risk [Line Items]    
Concentration risk percentage 49.00% 38.00%