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Summary of Significant Accounting Policies - Additional Information (Details) | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jul. 03, 2021 USD ($) | Apr. 02, 2021 USD ($) | Jun. 27, 2020 USD ($) | Jul. 03, 2021 USD ($) Segment | Jun. 27, 2020 USD ($) | Jan. 02, 2021 USD ($) | Apr. 03, 2021 USD ($) | Jan. 02, 2020 USD ($)
Allowance for doubtful accounts | $ 0 |  |  | $ 0 |  | $ 0 |  |
Reserve for obsolete inventory | 0 |  |  | 0 |  | 0 |  |
Impairment of intangible asset |  | $ 0 |  |  |  | $ 0 |  |
Deferred costs |  |  |  |  |  |  | $ 0 | $ 0
Advertising expense | $ 0 |  | $ 31,000 | $ 0 | $ 122,000 |  |  |
Operating lease, lease expire year |  |  |  | 2025 |  |  |  |
Operating lease, lease renewal term | 6 months |  |  | 6 months |  |  |  |
Number of reportable segments | Segment |  |  |  | 3 |  |  |  |
Technology Intangibles |  |  |  |  |  |  |  |
Estimated useful life of intangible assets |  |  |  | 7 years |  |  |  |
Minimum |  |  |  |  |  |  |  |
Operating lease, lease term | 2 years |  |  | 2 years |  |  |  |
Minimum | Domain Name and Marketing |  |  |  |  |  |  |  |
Estimated useful life of intangible assets |  |  |  | 3 years |  |  |  |
Minimum | Software |  |  |  |  |  |  |  |
Estimated useful life of intangible assets |  |  |  | 3 years |  |  |  |
Minimum | Customer Relationships |  |  |  |  |  |  |  |
Estimated useful life of intangible assets |  |  |  | 7 years |  |  |  |
Minimum | Building and Improvements |  |  |  |  |  |  |  |
Estimated useful life of property and equipment |  |  |  | 3 years |  |  |  |
Minimum | Transportation Equipment |  |  |  |  |  |  |  |
Estimated useful life of property and equipment |  |  |  | 3 years |  |  |  |
Minimum | Machinery and Equipment |  |  |  |  |  |  |  |
Estimated useful life of property and equipment |  |  |  | 5 years |  |  |  |
Minimum | Furnishings and Fixtures |  |  |  |  |  |  |  |
Estimated useful life of property and equipment |  |  |  | 3 years |  |  |  |
Minimum | Office and Computer Equipment |  |  |  |  |  |  |  |
Estimated useful life of property and equipment |  |  |  | 3 years |  |  |  |
Maximum |  |  |  |  |  |  |  |
Operating lease, lease term | 3 years |  |  | 3 years |  |  |  |
Federal Deposit Insurance Corporation insured per institution |  |  |  | $ 250,000 |  |  |  |
Maximum | Domain Name and Marketing |  |  |  |  |  |  |  |
Estimated useful life of intangible assets |  |  |  | 20 years |  |  |  |
Maximum | Software |  |  |  |  |  |  |  |
Estimated useful life of intangible assets |  |  |  | 5 years |  |  |  |
Maximum | Customer Relationships |  |  |  |  |  |  |  |
Estimated useful life of intangible assets |  |  |  | 15 years |  |  |  |
Maximum | Building and Improvements |  |  |  |  |  |  |  |
Estimated useful life of property and equipment |  |  |  | 30 years |  |  |  |
Maximum | Transportation Equipment |  |  |  |  |  |  |  |
Estimated useful life of property and equipment |  |  |  | 15 years |  |  |  |
Maximum | Machinery and Equipment |  |  |  |  |  |  |  |
Estimated useful life of property and equipment |  |  |  | 10 years |  |  |  |
Maximum | Furnishings and Fixtures |  |  |  |  |  |  |  |
Estimated useful life of property and equipment |  |  |  | 5 years |  |  |  |
Maximum | Office and Computer Equipment |  |  |  |  |  |  |  |
Estimated useful life of property and equipment |  |  |  | 5 years |  |  |  |

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