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Accounts Receivable (Details) - Schedule of accounts receivable consisted - USD ($) | 12 Months Ended
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Jun. 30, 2021 | Jun. 30, 2020
Schedule of accounts receivable consisted [Abstract] |  |
Color World platform subscription fees due from App payment collections agent | $ 3,191,711 |

X
- References No definition available. + Details
Name: | hht_ColorWorldPlatformSubscriptionFeesDueFromAppPaymentCollectionsAgent
Namespace Prefix: | hht_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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