Marketable Securites (Details) $ in Thousands	9 Months Ended
Mar. 31, 2021 USD ($)
Marketable Securities
Net gains recognized during the period on marketable securities	$ 3
Marketable Securities, Unrealized Gain (Loss)	(42)
Marketable Securities, Gain (Loss), Total	$ (39)

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

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