Intangible assets, net (Details) (USD $)	12 Months Ended
Mar. 31, 2014	Mar. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Gross carrying value	$ 2,618,027	$ 2,892,874
Accumulated amortization	1,266,657	970,372
Impairment loss	1,351,370	0
Net carrying value	0	1,922,502
Customer Contracts [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying value	12,383	13,684
Accumulated amortization	12,383	10,642
Impairment loss	0	0
Net carrying value	0	3,042
Intellectual Property [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying value	2,605,644	2,879,190
Accumulated amortization	1,254,274	959,730
Impairment loss	1,351,370	0
Net carrying value	$ 0	$ 1,919,460

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

+ Details

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

+ Details

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Namespace Prefix:	us-gaap_
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- Definition

The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 3

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16373-109275

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