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RESTRICTED CASH | 12 Months Ended
--- | ---
Mar. 31, 2015
Restricted Cash and Investments [Abstract] |
Restricted Cash [Text Block] |
7. | RESTRICTED CASH
| Restricted cash represents certain bank deposits of a subsidiary pledged for banking facilities of a subsidiary. The banking facilities are secured by guarantees given by the Company. As of March 31, 2014, the Group pledged bank deposits of $643 to banks to secure short term banking facilities granted. No bank deposit has been pledged for the year ended March 31, 2015.
|  | As of March 31, |
|  | 2014 |  | 2015 |
|  | $ |  | $ |
Maximum credit facilities available to the Group |  |  | 2,570 |  |  | - |
Amount utilized |  |  | 805 |  |  | - |

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- Definition The entire disclosure for restricted cash. + References No definition available. + Details
Name: | hiho_RestrictedCashTextBlock
Namespace Prefix: | hiho_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_RestrictedCashAndInvestmentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration