v3.21.1

Commitments and Contingencies - Additional Information (Detail)	1 Months Ended	12 Months Ended
	Feb. 01, 2020 USD ($)	Jan. 30, 2021 USD ($) ft²	Dec. 31, 2019 USD ($)	Oct. 02, 2020 USD ($)	Oct. 01, 2020 USD ($)
Loss Contingencies [Line Items]
Lease expiration term		Jun. 30, 2027
Area of small stores | ft²		1,000
Operating lease, expense	$ 418,000	$ 4,547,000	$ 2,212,000
Cash paid for lease liabilities	291,000	3,790,000	1,691,000
Variable lease costs	$ 0	0	$ 0
Rent abatement credits		$ 250,000
Eligibility for 401(k) retirement savings plan		90 days
401(k) retirement savings plan matching contributions		$ 0
Defined Contribution Plan, Sponsor Location [Extensible List]		us-gaap:DomesticPlanMember
Inventory Supplier [Member]
Loss Contingencies [Line Items]
Line of credit					$ 3,000,000
Inventory Supplier [Member] | Security Agreement [Member]
Loss Contingencies [Line Items]
Line of credit				$ 6,600,000
Outstanding payable to related party		$ 6,016,000
Maximum [Member]
Loss Contingencies [Line Items]
Area of larger stores | ft²		5,200
Lease initial term		5 years
Lease term		10 years
Minimum [Member]
Loss Contingencies [Line Items]
Lease initial term		3 years

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Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).

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Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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