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v3.20.1

Accounts and Notes Receivable, Net (Details Textual) - USD ($) | 6 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Three-party settlement [Member] |  |
Accounts and Notes Receivable, Net (Textual) |  |
Accounts receivable and accounts payable offset | $ 8,100,000 | $ 3,300,000

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- References No definition available. + Details
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Balance Type: | na
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- References No definition available. + Details
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Namespace Prefix: | hht_
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |