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Intangible Assets - Summary of Intangible Assets (Detail) - USD ($)	Aug. 02, 2020	May 03, 2020	Aug. 04, 2019	Apr. 28, 2019
Intangible Assets [Line Items]
Tradenames	$ 540,000	$ 540,000	$ 7,232,000
Intangible assets	3,286,000	3,380,000	10,354,000
Customer Relationships [Member]
Intangible Assets [Line Items]
Finite-lived intangible assets, net	2,162,000	2,238,000	2,463,000	$ 2,538,000
Non-Compete Agreement [Member]
Intangible Assets [Line Items]
Finite-lived intangible assets, net	$ 584,000	$ 602,000	$ 659,000	$ 678,000

X

- Definition

Intangible Assets [Line Items]

+ References

No definition available.

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- Definition

Intangible assets net including discontinued operation.

+ References

No definition available.

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X

- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 926
-SubTopic 20
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=120154696&loc=d3e54445-107959

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the rights acquired through registration of a trade name to gain or protect exclusive use thereof for a projected indefinite period of benefit.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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