Other Income (Expenses), Net - Other Income (Expenses), Net from Continuing and Discontinued Operations (Detail) - USD ($)	12 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Component of Other Income, Nonoperating [Abstract]
Other income (expense), net	$ 2,146,108	$ 436,304	$ 1,571,579
Continuing Operations [Member]
Component of Other Income, Nonoperating [Abstract]
Other income (expense), net	$ 2,146,108	2,396,789	583,315
Discontinued Operations [Member]
Component of Other Income, Nonoperating [Abstract]
Other income (expense), net		$ (1,960,485)	$ 988,264

The net amount of other income and expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) net gains or losses on securities, (d) unusual costs, (e) gains or losses on foreign exchange transactions, and (f) miscellaneous other income and expense items.

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 210.5-03.9)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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