Income Taxes - Summary of Deferred Tax Assets Associated with Loss Carryforwards (Details) - USD ($) $ in Thousands	Apr. 29, 2023	Apr. 30, 2022
Income Tax Disclosure [Abstract]
Federal net operating losses	$ 530	$ 908
Various U.S. state net operating losses (excluding federal tax effect)	2,074
Foreign capital losses	147
Foreign net operating losses	$ 131

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 8
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32632-109319

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign operating loss carryforwards.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
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-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32621-109319

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards.

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