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Note 4 - Goodwill and Intangible Assets - Intangible Assets, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	May 01, 2021	May 02, 2020
Weighted average life (Year)	6 years 1 month 6 days	6 years
Gross carrying amount	$ 10,460	$ 9,671
Accumulated Amortization	8,377	6,317
Intangibles, net	$ 2,083	$ 3,354
Trademarks [Member]
Weighted average life (Year)	19 years 4 months 24 days	19 years 4 months 24 days
Gross carrying amount	$ 738	$ 663
Accumulated Amortization	246	183
Intangibles, net	$ 492	$ 480
Computer Software, Intangible Asset [Member]
Weighted average life (Year)	3 years	3 years
Gross carrying amount	$ 6,606	$ 6,247
Accumulated Amortization	6,412	4,890
Intangibles, net	$ 194	$ 1,357
Customer Relationships [Member]
Weighted average life (Year)	10 years	10 years
Gross carrying amount	$ 2,984	$ 2,641
Accumulated Amortization	1,588	1,135
Intangibles, net	$ 1,396	$ 1,506
Other Intangible Assets [Member]
Weighted average life (Year)	1 year 6 months	1 year 6 months
Gross carrying amount	$ 132	$ 120
Accumulated Amortization	131	109
Intangibles, net	$ 1	$ 11

X

- 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)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

Amount before 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 928
-SubTopic 340
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004

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

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- 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

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-Topic 350
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-Section 50
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