Note 8 - Other Assets - Other Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Jun. 30, 2023
Deposits for rental and utilities and others	$ 148	$ 117
Currency translation effect	1	(1)
Total	$ 149	$ 116

Amount of assets classified as other.

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