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Prepayments and Advances (Details) - Schedule of Prepayments, non-current - USD ($)	Jun. 30, 2021	Jun. 30, 2020
Schedule of Prepayments, non-current [Abstract]
Prepayment for software development expenditure	$ 52,000,000

X

- Definition

The amount is prepayment for software development expenditure.

+ References

No definition available.

+ Details

Name:	hht_PrepaymentForSoftwareDevelopmentExpenditure
Namespace Prefix:	hht_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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- References

No definition available.

+ Details

Name:	hht_ScheduleOfPrepaymentsNonCurrentAbstract
Namespace Prefix:	hht_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration