Note 19 - Government Grants (Details Textual) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2022	Jun. 30, 2021
Government Assistance, Amount	$ 228	$ 514
Financial Assistance During COVID-19 Pandemic [Member]
Government Assistance, Amount	228	514
Financial Assistance During COVID-19 Pandemic [Member] \| Singapore and Malaysia Governments [Member]
Government Assistance, Amount	$ 146	$ 401

Amount of government assistance recognized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 832
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=128342832&loc=SL128342943-244231

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