Income Taxes - Summary of Valuation Allowance (Detail) - USD ($)	12 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Valuation allowance:
Balance at beginning of fiscal year	$ 7,166,405	$ 5,757,984	$ 5,185,404
Additions	185,874	1,454,938	414,756
Exchange realignment	25,965	(46,517)	157,824
Balance at end of fiscal year	$ 7,378,244	$ 7,166,405	$ 5,757,984

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant