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Non-operating income, net (Tables) | 12 Months Ended
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Mar. 31, 2016
Other Income, Nonoperating [Abstract] |
Schedule of Non-operating Income, Net |
|  | Year ended March 31,
|  | 2014 |  | 2015 |  | 2016
Dividend income from marketable securities |  | $ | 233 |  |  | $ | 238 |  |  | $ | 596 |
Interest income from available-for-sales securities |  |  | 126 |  |  |  | 126 |  |  |  | 126 |
Interest income from bank deposits |  |  | 596 |  |  |  | 535 |  |  |  | 372 |
Unrealized gain (loss) from marketable securities |  |  | (865 | ) |  |  | 954 |  |  |  | (1,860 | )
Realized gain from sales of marketable securities |  |  | — |  |  |  | 102 |  |  |  | 526 |
Rental income |  |  | 260 |  |  |  | 600 |  |  |  | 793 |
Others |  |  | 29 |  |  |  | (2 | ) |  |  | 18 |
Non-operating income, net from continuing operations |  | $ | 379 |  |  | $ | 2,553 |  |  | $ | 571 |

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- Definition Tabular disclosure of the detailed components of other nonoperating income. May include methodology, assumptions and amounts for: (a) dividends, (b) interest on securities, (c) profits on securities (net of losses), and (d) miscellaneous other income items. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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