XML 32 R47.htm IDEA: XBRL DOCUMENT
v3.2.0.727

INCOME TAXES (DETAILS TEXTUAL) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Mar. 31, 2015 | Mar. 31, 2014 | Mar. 31, 2013
Income Tax Examination [Line Items] |  |  |
Deferred Tax Assets Operating Loss Carryforwards Indefinitely | $ 4,392 | $ 4,893 |
Operating Loss Carry forward Expiration Date | expire five years from respective financial years incurring the losses. | expire five years from respective financial years incurring the losses. |
Hong Kong [Member] |  |  |
Income Tax Examination [Line Items] |  |  |
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate | 16.50% | 16.50% | 16.50%
China [Member] |  |  |
Income Tax Examination [Line Items] |  |  |
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate | 25.00% |  |

X
- Definition It represents about the deferred tax assets operating loss carryforward for the year ended. + References No definition available. + Details
Name: | hiho_DeferredTaxAssetsOperatingLossCarryforwardsIndefinitely
Namespace Prefix: | hiho_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The expiration date of each operating loss carryforward included in total operating loss carryforward, or the applicable range of such expiration dates. + References No definition available. + Details
Name: | hiho_OperatingLossCarryForwardExpirationDate
Namespace Prefix: | hiho_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 + Details
Name: | us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_IncomeTaxExaminationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
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: |