Note 11 - Long-term Debt (Details Textual) $ in Millions	Nov. 28, 2022 USD ($)
Credit Facility Due in November 2022 [Member]
Debt Instrument, Face Amount	$ 66

Face (par) amount of debt instrument at time of issuance.

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Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant