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Summary of Significant Accounting Policies (Details) | 12 Months Ended
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Jun. 30, 2020
CACM [Member] |  |
Place incorporated | New York, USA |
Ownership percentage | 100.00% |
Baytao [Member] |  |
Place incorporated | New York, USA |
Ownership percentage | 80.00% |
Color China [Member] |  |
Place incorporated | Hong Kong |
Ownership percentage | 100.00% |
BVI-ACM [Member] |  |
Place incorporated | British Virgin Island | [1]
Ownership percentage | 100.00% | [1]
China-ACMH [Member] |  |
Place incorporated | Beijing, China | [1]
Ownership percentage | 100.00% | [1]
Xin Ao [Member] |  |
Place incorporated | Beijing, China | [1]
Description of ownership percentage | VIE | [1]
Sunway Kids [Member] |  |
Place incorporated | British Virgin Island | [2]
Ownership percentage | 100.00% | [2]
[1] | The Company sold BVI-ACM and its subsidiaries to two former officers (CEO and CFO) who collectively held less than 5% ordinary shares of the Company currently for $600,000. See Note 4 - Discontinued operations for details.
[2] | The Company sold Sunway Kids and its subsidiaries to a third party for $2.4 million in June 2020. See Note 4 - Discontinued operations for details.

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- Details
Name: | dei_LegalEntityAxis=hht_BaytaoMember
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- Details
Name: | dei_LegalEntityAxis=hht_ColorChinaMember
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