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Income Taxes (Details Textual) - USD ($)	6 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Mar. 31, 2017
Income Taxes (Textual)
Effective income tax rate	36.90%	34.70%
Deferred tax asset			$ 0
Operating loss carryforwards, description	The Company's subsidiaries incorporated in the PRC has unused net operating losses ("NOLs") available for carry forward to future years for PRC income tax reporting purposes up to five years.
Hong Kong [Member]
Income Taxes (Textual)
Effective income tax rate	16.50%
PRC [Member]
Income Taxes (Textual)
Effective income tax rate	25.00%

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b),(c)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h)(2))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319

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A description of the limitations on the use of all operating loss carryforwards available to reduce future taxable income.

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