Intangible assets, net (Tables)

12 Months Ended

Mar. 31, 2015

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule Of Finite Lived Intangible Assets [Table Text Block]

The following table summarizes the carrying amount of intangible assets:

	As of March 31, 2014
	Gross carrying		Accumulated		Impairment		Net carrying
	value		amortization		loss		value
	US$		US$		US$		US$
Customer contracts		12,383		12,383		-		-
Intellectual property		2,605,644		1,254,274		1,351,370		-
Total intangible assets, net		2,618,027		1,266,657		1,351,370		-