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General and Summary of Significant Accounting Policies - Summary of Cash and Cash Equivalents by Geographic Area (Detail) - USD ($) $ in Thousands	Apr. 30, 2023	May 01, 2022
Cash and Cash Equivalents [Line Items]
cash and cash equivalents	$ 20,964	$ 14,550
United States [Member]
Cash and Cash Equivalents [Line Items]
cash and cash equivalents	9,769	4,430
China [Member]
Cash and Cash Equivalents [Line Items]
cash and cash equivalents	10,669	9,502
Canada [Member]
Cash and Cash Equivalents [Line Items]
cash and cash equivalents	281	267
Haiti [Member]
Cash and Cash Equivalents [Line Items]
cash and cash equivalents	236	341
Cayman Islands [Member]
Cash and Cash Equivalents [Line Items]
cash and cash equivalents	$ 9	$ 10

X

- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 4
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3044-108585

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 1
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(1))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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X

- Definition

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.

+ References

No definition available.

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