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Related Party Transactions (Details) - USD ($)	Dec. 31, 2019	Jun. 30, 2019
Other payables - shareholders	$ 768,449	$ 757,737
Xianfu Han [Member]
Other payables - shareholders	361,336	361,336
Weili He [Member]
Other payables - shareholders	$ 407,113	$ 396,401

X

- Definition

Carrying amount as of the balance sheet date of obligations due all sharesholders. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).

+ References

No definition available.

+ Details

Name:	hht_DueToShareholdersCurrent
Namespace Prefix:	hht_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=hht_XianfuHanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=hht_WeiliHeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: