XML 66 R53.htm IDEA: XBRL DOCUMENT v3.20.4
Goodwill and Intangible Assets - Estimated Aggregate Future Amortization Expense (Details) - USD ($)
$ in Thousands
Dec. 29, 2020
Dec. 31, 2019
Estimated aggregate future amortization expense    
2021 $ 70  
2022 72  
2023 70  
2024 70  
2025 70  
Thereafter 182  
Amortized intangible assets, net $ 534 $ 604