Other Long-Term Assets – Deposits, Net (Details) ¥ in Millions, $ in Millions	12 Months Ended
Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Mar. 08, 2018 USD ($)	Mar. 08, 2018 CNY (¥)
Other Long Term Assets Deposits [Abstract]
Deposit			$ 3.1	¥ 20
Expired date, description	The restricted deposit is expected be repaid to the Company when either the contract term expires by March 2023 or the contract is terminated by either party.
Allowance deposit with boasteel	$ 3.1	$ 3.1

Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Name:	us-gaap_DebtInstrumentMaturityDateDescription
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration