Marketable Securities (Details) $ in Thousands	12 Months Ended
Jun. 30, 2021 USD ($)
Marketable Securities
Unrealized (losses) gains recognized during the reporting year on marketable securities still held at the reporting date	$ (9)
Marketable securities	$ (9)

Amount of unrealized gain (loss) on investment in marketable security.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(7)(c))
-URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227

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