XML 118 R57.htm IDEA: XBRL DOCUMENT
v3.23.2

Income Taxes (Details) $ in Thousands, ¥ in Millions | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 21, 2018 | Mar. 31, 2023 CNY (¥) | Mar. 31, 2022 USD ($) | Mar. 31, 2021 | Mar. 31, 2023 USD ($)
Income Taxes (Details) [Line Items] |  |  |  |  |
Income tax, description | the Hong Kong Legislative Council passed The Inland Revenue (Amendment) (No. 7) Bill 2017 (the “Bill”) which introduces the two-tiered profits tax rates regime. The Bill was signed into law on March 28, 2018 and was gazetted on the following day. Under the two-tiered profits tax rates regime, the first HK$2 million (equivalent to $257) of profits of the qualifying group entity will be taxed at 8.25%, and profits above HK$2 million will be taxed at 16.5%. The profits of group entities not qualifying for the two-tiered profits tax rates regime will continue to be taxed at a flat rate of 16.5%. The Group has selected Kayser Limited (“Kayser”) as the qualified entity under two-tiered profit tax rates regime and the remaining Hong Kong based subsidiaries are not qualifying under the regime and continue to be taxed at 16.5%. |  |  |  |
Maturity date |  | January 1, 2022 and until December 31, 2024 |  |  |
Preferential income tax rate |  | (18.80%) | 6.30% | 5.70% |
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount (in Yuan Renminbi) | ¥ |  | ¥ 1 |  |  |
IncomeTaxReconciliationForeignIncomeTaxRateAssessableProfit (in Yuan Renminbi) | ¥ |  | ¥ 1 |  |  |
Assessable profit percentage |  | 5.00% |  |  |
Tax losses (in Dollars) | $ |  |  | $ 2,837 |  | $ 3,604
Other tax losses (in Dollars) | $ |  |  | $ 2,562 |  | $ 3,604
Hong Kong [Member] |  |  |  |  |
Income Taxes (Details) [Line Items] |  |  |  |  |
Profit tax percentage |  | 16.50% | 16.50% | 16.50% |
China [Member] |  |  |  |  |
Income Taxes (Details) [Line Items] |  |  |  |  |
Profit tax percentage |  | 25.00% |  |  |
Income tax, description |  |  | However, Kayser Myanmar enjoyed a tax exemption for the period from the date of incorporation through the end of December 31, 2017 and was subject to an income tax rate of 25% from January 1, 2018 to September 30, 2021. Starting from October 1, 2021 onwards, income tax rate was reduced to 22%. |  |
Nissin PRC [Member] |  |  |  |  |
Income Taxes (Details) [Line Items] |  |  |  |  |
Preferential income tax rate |  | 2.50% |  |  |

X
- Definition Other tax losses. + References No definition available. + Details
Name: | hiho_DeferredTaxAssetsOtherComprehensiveLossOther
Namespace Prefix: | hiho_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile. + References No definition available. + Details
Name: | hiho_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential1
Namespace Prefix: | hiho_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense (benefit). + References No definition available. + Details
Name: | hiho_IncomeTaxReconciliationForeignIncomeTaxRateAssessableProfit
Namespace Prefix: | hiho_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | hiho_IncomeTaxesDetailsLineItems
Namespace Prefix: | hiho_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities. + 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 210.5-02.22(a)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_DebtInstrumentMaturityDateDescription
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from unrealized losses in other comprehensive income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-6 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-8 + Details
Name: | us-gaap_DeferredTaxAssetsOtherComprehensiveLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-12 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 6.I.Fact.4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479360/740-10-S99-1 + Details
Name: | us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-12 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 6.I.Fact.4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479360/740-10-S99-1 + Details
Name: | us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition A brief description of status of the tax examination, significant findings to date, and the entity's position with respect to the findings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (d)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-15 + Details
Name: | us-gaap_IncomeTaxExaminationDescription
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense (benefit). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-12 + Details
Name: | us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | hiho_AllCountriesAxis=country_HK
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | hiho_AllCountriesAxis=country_CN
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=hiho_NissinPRCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |