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Concentrations of Risk (Details) | 12 Months Ended
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Jun. 30, 2020 USD ($)
Concentrations of risk (Textual) |
Deposited from banks | $ 500,000
Insurance coverage of each bank | $ 250,000

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- References No definition available. + Details
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Namespace Prefix: | hht_
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Balance Type: | na
Period Type: | duration

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- Definition The amount of insurance coverage of each bank. + References No definition available. + Details
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Namespace Prefix: | hht_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition A bank's noninterest bearing demand deposits in other banks (such as correspondents). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.1) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
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