Note 16 - Government Grants (Details Textual) - USD ($) $ in Thousands	3 Months Ended
Sep. 30, 2023	Sep. 30, 2022
Government Assistance, Amount	$ 73	$ 21
Financial Assistance Received From the Singapore Government [Member]
Government Assistance, Amount	16
Employee Retention Credit [Member]
Government Assistance, Amount	$ 57

Amount of government assistance recognized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 832
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483507/832-10-50-3

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