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Note 12 - Income Taxes (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	May 01, 2021	May 02, 2020
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 150
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations	138	$ 159
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total	38	30
Deferred Tax Assets, Operating Loss Carryforwards, Foreign	856
Deferred Tax Assets, Valuation Allowance, Total	1,732	$ 1,189
Deferred Tax Liabilities, Net, Total	0
Foreign Tax Authority [Member]
Operating Loss Carryforwards, Total	4,457
Foreign Tax Authority [Member] | Deferred Tax Asset, Net Operating Loss [Member]
Deferred Tax Assets, Valuation Allowance, Total	$ 595
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member]
Open Tax Year	2018 2019 2020
State and Local Jurisdiction [Member]
Open Tax Year	2017 2018 2019 2020

X

- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

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