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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

X

- 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

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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.

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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

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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

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+ References

No definition available.

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