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Other Receivables (Details Textual) | 12 Months Ended
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Jun. 30, 2020
Other Receivables (Textual) |
Other receivables, description | The SK Purchaser promised to pay $2.4 million to the Company as per the executed agreement and it had subsequently settled $1.0 million of its payment obligations through a tri-party settlement agreement executed on September 29, 2020 among the Company, SK Purchaser and the Asset Seller. Since collection of the remaining $1.4 million cannot be reasonably assured, the Company only reported a receivable of $1.0 million as of June 30, 2020.

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- Definition Description of other receivables. + References No definition available. + Details
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Namespace Prefix: | hht_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | hht_OtherReceivablesTextualAbstract
Namespace Prefix: | hht_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration