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v3.20.1

Loans payable - employees (Details) - USD ($) | Dec. 31, 2019 | Jun. 30, 2019
--- | --- | ---
Loans payable - employees | $ 4,444,970 | $ 4,593,874
Na Wang [Member] |  |
Loans payable - employees | 2,309,510 | 2,341,932
Wei Zhang [Member] |  |
Loans payable - employees | $ 2,135,460 | $ 2,251,942

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

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |