Organization and Description of Business and Accounting Policies - Summary of Estimated Sales Return (Details) - USD ($) $ in Thousands		Jan. 01, 2021	Jan. 03, 2020
Accounting Policies [Abstract]
Estimated returns - inventory	[1]	$ 1,041	$ 869
Allowance for sales returns		$ 4,532	$ 3,644

[1] Recognized in inventories, net on the Consolidated Balance Sheets