Income Taxes - (Loss) Income before Income Taxes Related to Foreign and U.S. Operations (Detail) - USD ($) $ in Thousands	12 Months Ended
May 01, 2022	May 02, 2021	May 03, 2020
Income Taxes [Line Items]
income (loss) before income taxes, foreign	$ 7,320	$ 15,583	$ 6,919
income before income taxes	(325)	10,880	(7,679)
China [Member]
Income Taxes [Line Items]
income (loss) before income taxes, foreign	6,998	10,007	8,316
Canada [Member]
Income Taxes [Line Items]
income (loss) before income taxes, foreign	1,302	4,764	(1,391)
Haiti [Member]
Income Taxes [Line Items]
income (loss) before income taxes, foreign	(980)	817
Cayman Islands [Member]
Income Taxes [Line Items]
income (loss) before income taxes, foreign		(5)	(6)
United States [Member]
Income Taxes [Line Items]
income (loss) before income taxes, domestic	$ (7,645)	$ (4,703)	$ (14,598)

Income Taxes [Line Items]

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- Definition

The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
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- Definition

The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

+ References

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- Definition

Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.

+ References

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