Summary of Significant Accounting Policies - Reconciliation of Changes in Allowance for Doubtful Accounts (Details) - Allowance for Doubtful Accounts - USD ($) $ in Thousands	12 Months Ended
	Jan. 02, 2021	Dec. 28, 2019
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of The period	$ 187	$ 213
Additions	181	25
Deductions	(124)	(51)
Balance at End of The period	$ 244	$ 187