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Leases (Details) - Schedule of lease obligations	Jun. 30, 2020 USD ($)
Schedule of lease obligations [Abstract]
2022	$ 39,600
Total lease payments	$ 39,600

X

- Definition

Total lease payments.

+ References

No definition available.

+ Details

Name:	hht_OperatingLeasesFutureMinimumPaymentDue
Namespace Prefix:	hht_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Operating Leases Future Minimum Payment Due Current.

+ References

No definition available.

+ Details

Name:	hht_OperatingLeasesFutureMinimumPaymentDueCurrent
Namespace Prefix:	hht_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- References

No definition available.

+ Details

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