Note 3 - Divestiture of Subsidiary (Details Textual) - USD ($) $ in Thousands	Mar. 31, 2024	Jun. 01, 2023
Bel Stewart s.r.o. [Member] \| Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Disposal Group, Including Discontinued Operation, Consideration	$ 5,063	$ 5,100

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

No definition available.

Name:	us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant