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Reserves and Dividends (Details) - USD ($) | 6 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Jun. 30, 2019
Reserves and dividends (Textual) |  |
Percentage of net income transfer | 10.00% |
Statutory surplus reserve, percentage | 50.00% |
Remaining statutory surplus reserve, percentage | 50.00% | 50.00%
Registered capital requirement amount | $ 800,000 | $ 800,000
Statutory reserves, description | The surplus reserve fund can however be used to fund previous years’ losses, if any, and may be utilized for business expansion or converted into share capital by issuing new shares to existing shareholders in proportion to their shareholding or by increasing the par value of the shares currently held by them, provided that the remaining reserve balance after such issue is not less than 25% of the registered capital. |

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- Definition Percentage of net income required to transfer in accordance with the PRC accounting rules and regulations. + References No definition available. + Details
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Balance Type: | na
Period Type: | instant

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- Definition Remaining percentage of statutory surplus reserve. + References No definition available. + Details
Name: | hht_RemainingStatutorySurplusReservePercentage
Namespace Prefix: | hht_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- References No definition available. + Details
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Data Type: | xbrli:stringItemType
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- Definition Description of statutory reserves. + 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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- Definition Percentage of statutory surplus reserve balance. + References No definition available. + Details
Name: | hht_StatutorySurplusReservePercentage
Namespace Prefix: | hht_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition Amount of statutory capital required to be maintained as of the balance sheet date under prescribed or permitted statutory accounting practices. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6486098&loc=d3e24708-158529 + Details
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