v3.21.2

Inventory - Additional Information (Detail) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 30, 2021 | Oct. 31, 2020 | Oct. 30, 2021 | Oct. 31, 2020
Inventory Disclosure [Abstract] |  |  |  |
Inventory write-downs | $ 332,000 | $ 159,000 | $ 332,000 | $ 260,000

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=116847112&loc=d3e4542-108314 + Details
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Period Type: | duration