No definition available.

Name:	hht_GoingConcernTextualAbstract
Namespace Prefix:	hht_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Loan assignment agreement, description.

+ References

No definition available.

+ Details

Name:	hht_LoanAssignmentAgreementDescription
Namespace Prefix:	hht_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Purchase agreement, description.

+ References

No definition available.

+ Details

Name:	hht_PurchaseAgreementDescription
Namespace Prefix:	hht_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of reduced net deficient.

+ References

No definition available.

+ Details

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

- Definition

Amount of liabilities excess over assets for the period.

+ References

No definition available.

+ Details

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

- Definition

For banks and other depository institutions: Includes cash on hand (currency and coin), cash items in process of collection, noninterest bearing deposits due from other financial institutions (including corporate credit unions), and noninterest bearing balances with the Federal Reserve Banks, Federal Home Loan Banks and central banks.

+ 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=6876686&loc=d3e534808-122878

+ Details

Name:	us-gaap_CashAndDueFromBanks
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.

+ References

No definition available.

+ Details

Name:	us-gaap_LitigationSettlementExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The carrying value as of the balance sheet date of the noncurrent portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 45
-Paragraph 14
-URI http://asc.fasb.org/extlink&oid=99376301&loc=d3e1336-112600

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 45
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=99376301&loc=d3e1314-112600

+ Details

Name:	us-gaap_LongTermLineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118951113&loc=d3e6904-107765

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=118951113&loc=d3e6911-107765

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_OtherLiabilitiesCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of cash inflow from the sale of other assets as part of operating activities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3536-108585

+ Details

Name:	us-gaap_ProceedsFromSaleOfOtherAssets1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_MachineryAndEquipmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

Going Concern (Details) - USD ($)					6 Months Ended
Going Concern (Details) - USD ($)	May 11, 2020	May 06, 2020	Mar. 31, 2020	Jan. 23, 2020	Dec. 31, 2019
Going Concern (Textual)
Working capital					$ 6,300,000
Cash on-hand					400,000
Liability in excess of current provision					6,800,000
Potential judgments amount					26,200,000
Bank loan amount outstanding					24,300,000
Minimum [Member]
Going Concern (Textual)
Working capital					6,300,000
Maximum [Member]
Going Concern (Textual)
Working capital					$ 32,500,000
Subsequent Event [Member] \| BVI-ACM [Member]
Going Concern (Textual)
Net deficiency		$ 4,100,000
Sale of asset		$ 600,000
Purchasers [Member] \| Subsequent Event [Member]
Going Concern (Textual)
Purchase agreement, description	The Company agreed to sell to such Purchasers an aggregate of 2,600,000 ordinary shares, par value $0.001 per share (the “Shares”) in a registered direct offering and warrants to purchase up to 2,600,000 ordinary shares, par value $0.001 per share (the “Ordinary Shares”) in a concurrent private placement, for total proceeds of approximately $1.4 million (the “Offering”). The Offering was completed on May 13, 2020.		The Company agreed to sell to such Purchasers an aggregate of 2,727,274 ordinary shares, par value $0.001 per share (the “Shares”) in a registered direct offering and warrants to purchase up to 2,727,274 ordinary shares, par value $0.001 per share (the “Ordinary Shares”) in a concurrent private placement, for total proceeds of approximately $1.5 million (the “Offering”). The Offering was completed on April 2, 2020.
HouSingt [Member] \| Subsequent Event [Member]
Going Concern (Textual)
Purchase agreement, description				The Company agreed to sell an aggregate of 2,000,000 ordinary shares at a per share purchase price of $1.00 (the “Shares”). On March 12, 2020, the transaction contemplated by the SPA was consummated after all closing conditions were met and the Company issued the Shares to Hou Sing (the “Private Placement”). The Company received gross proceeds of $2,000,000.
Loan assignment agreement, description				The Company’s shareholder, entered into certain loan assignment agreements with Ms. Na Wang and Ms. Wei Zhang, employees of the Company who previously loaned money to Beijing Xin Ao Concrete Group Co., Ltd. (“Beijing Xin Ao”), the Company’s variable interest entity, in the aggregate amount of RMB29,429,627 (approximately $4,264,000) (the “Debt”) and delivered the full payment to the two employees. On January 15, 2020, the board of directors of the Company approved the conversion of the Debt as well as the conversion of debt in the aggregate amount of $976,255 that Beijing Xin Ao owed to Mr. Xianfu Han, the former Chief Executive Officer of the Company, Ms. Weili He, the former Chief Financial Officer of the Company, and Ms. Wei Zhang, an employee of the Company, at a per share conversion price of $1.54. On March 6, 2020, upon Nasdaq’s approval, the Company issued an aggregate of 3,403,037 ordinary shares of the Company to Hou Sing, Mr. Xianfu Han, Ms. Weili He and Ms. Wei Zhang.