Accounts payable and accrued liabilities (Tables)

12 Months Ended

Mar. 31, 2015

Payables And Accruals [Abstract]

Schedule Of Accounts Payable And Accrued Liabilities [Table Text Block]

Accounts payable and accrued liabilities comprise:

	As of March 31,
	2014		2015
	US$		US$
Accounts payable		1,637,008		2,200,219
Accrued expenses		1,500,002		1,428,089
Taxes payable		369,314		412,667
Employee incentive payable		155,281		117,424
Other employee payables		1,056,857		976,749
Other current liabilities		64,950		65,824
Total		4,783,412		5,200,972