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v3.20.1

Other Receivables, Net (Details 1) - USD ($) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Jun. 30, 2019
Other Receivables Net [Abstract] |  |
Beginning balance | $ 263,049 | $ 208,097
Provision for doubtful accounts | 65,420 | 62,726
Exchange rate effect | (3,004) | (7,774)
Ending balance | $ 325,465 | $ 263,049

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- Definition Exchange rate effect. + References No definition available. + Details
Name: | hht_ExchangeRateEffect
Namespace Prefix: | hht_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

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- Definition Recovery of doubtful accounts. + References No definition available. + Details
Name: | hht_RecoveryOfDoubtfulAccounts
Namespace Prefix: | hht_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Amount of valuation allowance for receivables classified as other, due within one year or the normal operating cycle, if longer. + References No definition available. + Details
Name: | us-gaap_AllowanceForDoubtfulOtherReceivablesCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant