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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Mar. 31, 2015
Accounting Policies [Abstract] |
Schedule of comprehensive income |
|  |  |  |  | March 31, |  |  |  |
|  | 2015 |  |  | 2014 |  |  | 2013 |
Net income |  | $ | 17,453 |  |  | $ | 17,972 |  |  | $ | 17,165 |
Net change in unrealized loss on short term investments |  |  | (17 | ) |  |  | (35 | ) |  |  | (46 | )
Comprehensive income |  | $ | 17,436 |  |  | $ | 17,937 |  |  | $ | 17,119 |

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- Definition Tabular disclosure of components of comprehensive income (loss). Includes, but is not limited to, foreign currency translation adjustments, foreign currency transactions designated as economic hedges of a net investment in foreign entity, gain (loss) and prior service cost (credit) for pension plans and other postretirement benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e526-108580 + Details
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