Marketable Securities (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Marketable Securities
Net gains recognized during the period on marketable securities	$ 147	$ 81
Unrealized gains (losses) recognized during the reporting period on marketable securities still held at the reporting date	(79)	(426)	$ (9)
Marketable securities	$ 68	$ (345)	$ (9)

Amount of unrealized gain (loss) on investment in marketable security, excluding other-than-temporary impairment (OTTI).

No definition available.

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