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Loans payable - employees (Details) - USD ($)	Jun. 30, 2019	Jun. 30, 2018
Loans payable - employees	$ 4,593,874
Na Wang [Member]
Loans payable - employees	2,341,932
Wei Zhang [Member]
Loans payable - employees	$ 2,251,942

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Period Type:	instant

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=hht_WeiZhangMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: