XML 28 R37.htm IDEA: XBRL DOCUMENT
v3.2.0.727

STOCK OPTIONS (TABLES) | 12 Months Ended
--- | ---
Mar. 31, 2015
Stock Option [Abstract] |
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] |
|  | A summary of stock option activity during the years ended March 31, 2013, 2014 and 2015 is as follows:
|  |  |  |  |  |  |  | Weighted |  | Weighted |
|  |  |  |  | Weighted |  | average |  | average |
|  | Number of |  | average |  | fair value |  | remaining |
|  | stock |  | exercise |  | per stock |  | contractual |
|  | options |  | price |  | option |  | life (years) |
|  |  |  |  | $ |  | $ |  |  |  |
Outstanding as of April 1, 2012 |  |  | 80,000 |  |  | 3.29 |  |  | 1.07 |  |  | 0.98 |
Lapsed/cancelled |  |  | (55,000) |  |  | 4.03 |  |  | 1.12 |  |  |  |
Outstanding as of March 31, 2013 and 2014 |  |  | 25,000 |  |  | 1.65 |  |  | 0.95 |  |  | 1.61 |
Exercised |  |  | (18,000) |  |  | 1.65 |  |  | 0.95 |  |  |  |
Lapsed/cancelled |  |  | (7,000) |  |  | 1.65 |  |  | 0.95 |  |  |  |
Outstanding as of March 31, 2015 |  |  | - |  |  | - |  |  | - |  |  | - |

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

X
- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration