Accrued Expenses and Other Current Liabilities (Details) - Schedule of accrued expenses and other current liabilities - USD ($) $ in Thousands	Mar. 31, 2023	Mar. 31, 2022
Schedule of Accrued Expenses and Other Current Liabilities [Abstract]
Accrued payroll	$ 90	$ 243
Accrued housing allowance	210	231
Accrued other social benefits	1,193	1,462
Deposits received from customers		79
Accrued audit fee	205	200
Others	293	384
Accrued expenses and other current liabilities	$ 1,991	$ 2,599

The amount of accrued housing allowance current.

No definition available.

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- Definition

Sum of the carrying values as of the balance sheet date of obligations incurred through accrued expenses and other liabilities.

+ References

No definition available.

+ Details

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- Definition

The amount of accrued other social benefit current.

+ References

No definition available.

+ Details

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Namespace Prefix:	hiho_
Data Type:	xbrli:monetaryItemType
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- References

No definition available.

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Balance Type:	na
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- Definition

Carrying value as of the balance sheet date of obligations incurred and payable for statutory payroll taxes incurred through that date and withheld from employees pertaining to services received from them, including entity's matching share of the employees FICA taxes and contributions to the state and federal unemployment insurance programs. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

+ Details

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for professional fees, such as for legal and accounting services received. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The current portion of prepayments received from customers for goods or services to be provided in the future.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

+ Details

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- Definition

Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant