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Short-Term Investments (Details) - USD ($) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2017 | Mar. 31, 2017
Schedule of Held-to-maturity Securities [Line Items] |  |
Investment Securities Held-to-Maturity, Amortized Cost | $ 1,997,792 |
Investment Securities Held-to-Maturity, Unrealized Gains |  |
Investment Securities Held-to-Maturity, Unrealized Losses |  |
Estimated fair value | 1,997,792 |
Corporate debt securities [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Investment Securities Held-to-Maturity, Amortized Cost | 1,997,792 |
Investment Securities Held-to-Maturity, Unrealized Gains |  |
Investment Securities Held-to-Maturity, Unrealized Losses |  |
Estimated fair value | 1,997,792 |
Other debt securities [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Investment Securities Held-to-Maturity, Amortized Cost |  |
Investment Securities Held-to-Maturity, Unrealized Gains |  |
Investment Securities Held-to-Maturity, Unrealized Losses |  |
Estimated fair value |  |

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- Definition This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of debt and equity financial instruments classified as either held-to-maturity or available-for-sale. + References No definition available. + Details
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- Definition Amount of unrealized gain before deducting unrealized loss on investments in debt and equity securities classified as available-for-sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 + Details
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- Definition Amount of unrealized loss before deducting unrealized gain on investments in available-for-sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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