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Concentration of Business, Significant Customers and Credit Risk (Tables) | 6 Months Ended
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Sep. 30, 2017
Risks and Uncertainties [Abstract] |
Schedule of long-lived assets, which consist of property and equipment, by major country | Property and equipment, net, in the US and all other countries combined were as follows:
| September 30, 2017 |  | March 31, 2017
US | $ | 198,287 |  |  | $ | 206,077 |
All other countries* | 18,693 |  |  | 19,454 |
Total | $ | 216,980 |  |  | $ | 225,531 |
Schedule of the Company's cash and cash equivalents | The Company's cash and cash equivalents are as follows:
| September 30, 2017 |  | March 31, 2017
Money market fund accounts | $ | 166,866 |  |  | $ | 198,992 |
Cash | 63,720 |  |  | 92,772 |
Total cash and cash equivalents | $ | 230,586 |  |  | $ | 291,764 |

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- Definition Tabular disclosure of information concerning material long-lived assets (excluding financial instruments, customer relationships with financial institutions, mortgage and other servicing rights, deferred policy acquisition costs, and deferred taxes assets) located in identified geographic areas and/or the amount of revenue from external customers attributed to that country from which revenue is material. An entity may also provide subtotals of geographic information about groups of countries. + 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 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9038-108599 + Details
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