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Note 10 - Income Taxes (Details Textual) - USD ($)	3 Months Ended	6 Months Ended
	Jul. 01, 2023	Jul. 01, 2023
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	$ 179	$ 405

X

- Definition

Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482685/740-10-50-2

+ Details

Name:	us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration