Note 9 - Derivative Instruments and Hedging Activities (Details Textual) $ in Thousands	Jul. 26, 2022 USD ($)
Interest Rate Swap [Member]
Derivative, Gain (Loss) on Derivative, Net, Total	$ (72)

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration