Summary of Significant Accounting Policies - Schedule of Amortization Expense and Accumulated Amortization (Details) - Software Development - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jul. 02, 2021	Jun. 26, 2020	Jul. 02, 2021	Jun. 26, 2020
Property Plant And Equipment [Line Items]
Accumulated amortization, beginning balance	$ 1,415	$ 971	$ 1,280	$ 866
Amortization expense	118	105	253	210
Accumulated amortization, ending balance	$ 1,533	$ 1,076	$ 1,533	$ 1,076

For each balance sheet presented, the amount of accumulated amortization for capitalized computer software costs.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 985
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756

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Amount of expense for amortization of capitalized computer software costs.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 985
-SubTopic 20
-Section 50
-Paragraph 1
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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