Asset impairment charges from continuing and discontinued operations.

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- Definition

Finite lived intangible assets amortization expense after year four.

+ References

No definition available.

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- Definition

Intangible Assets [Line Items]

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No definition available.

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- Definition

Gross carrying amount before accumulated amortization as of the balance sheet date to an asset acquired in a business combination representing a favorable existing relationship with customers having a finite beneficial life.

+ 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 (a)(1)
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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Accumulated amount of 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 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
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- Definition

Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 350
-SubTopic 30
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- Definition

Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in remainder of current fiscal year.

+ References

No definition available.

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- Definition

Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Remaining amortization period of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ 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

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- Definition

Gross carrying amount before accumulated amortization as of the balance sheet date of payments made to third parties in exchange for their agreement not to engage in specified competitive practices in specified geographic territories for a specified period of time.

+ References

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- Definition

The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
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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.

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Intangible Assets - Narrative (Detail) - USD ($)	3 Months Ended			9 Months Ended
Intangible Assets - Narrative (Detail) - USD ($)	Jan. 31, 2021	May 03, 2020	Feb. 02, 2020	Jan. 31, 2021	Feb. 02, 2020	Apr. 28, 2019
Intangible Assets [Line Items]
Tradename	$ 540,000	$ 540,000	$ 4,804,000	$ 540,000	$ 4,804,000	$ 7,232,000
Asset impairment charges	0				13,639,000
Gross carrying amount of customer relationships	3,100,000	3,100,000	3,100,000	3,100,000	3,100,000
Gross carrying amount of non-compete agreement	2,000,000.0	2,000,000.0	2,000,000.0	2,000,000.0	2,000,000.0
Customer Relationships [Member]
Intangible Assets [Line Items]
Accumulated amortization	1,100,000	877,000	802,000	1,100,000	802,000
Remaining amortization expense for the fiscal year	76,000			76,000
Remaining amortization expense for the first fiscal year	301,000			301,000
Remaining amortization expense for the second fiscal year	301,000			301,000
Remaining amortization expense for the third fiscal year	301,000			301,000
Remaining amortization expense for the fourth fiscal year	301,000			301,000
Remaining amortization expense for the fiscal year thereafter	732,000			$ 732,000
Weighted average remaining amortization period				6 years 10 months 24 days
Customer Relationships [Member] \| Minimum [Member]
Intangible Assets [Line Items]
Useful life				9 years
Customer Relationships [Member] \| Maximum [Member]
Intangible Assets [Line Items]
Useful life				17 years
Non-Compete Agreement [Member]
Intangible Assets [Line Items]
Useful life				15 years
Accumulated amortization	1,500,000	1,400,000	1,400,000	$ 1,500,000	1,400,000
Remaining amortization expense for the fiscal year	18,000			18,000
Remaining amortization expense for the first fiscal year	76,000			76,000
Remaining amortization expense for the second fiscal year	76,000			76,000
Remaining amortization expense for the third fiscal year	76,000			76,000
Remaining amortization expense for the fourth fiscal year	76,000			76,000
Remaining amortization expense for the fiscal year thereafter	$ 224,000			$ 224,000
Weighted average remaining amortization period				7 years 3 months 18 days
Discontinued Operations [Member]
Intangible Assets [Line Items]
Impairment charge		4,200,000	$ 2,400,000	$ 0	$ 2,428,000
Continuing Operation [Member]
Intangible Assets [Line Items]
Impairment charge		$ 143,000