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Stockholders' Equity - Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2021	Jul. 03, 2020	Jul. 02, 2021	Jul. 03, 2020
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total stock-based compensation expense, net	$ 3,992	$ 2,918	$ 7,322	$ 5,839
Amounts capitalized as part of inventory	390	291	699	560
Total stock-based compensation expense, gross	4,382	3,209	8,021	6,399
Cost of Sales
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total stock-based compensation expense, net	54	30	89	52
General and Administrative
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total stock-based compensation expense, net	1,815	1,209	3,254	2,294
Selling and Marketing
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total stock-based compensation expense, net	953	812	1,786	1,867
Research and Development Expense
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total stock-based compensation expense, net	$ 1,170	$ 867	$ 2,193	$ 1,626

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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