XML 83 R19.htm IDEA: XBRL DOCUMENT v3.2.0.727
Cost of revenues
12 Months Ended
Mar. 31, 2015
Cost Of Revenue [Abstract]  
Cost Of Revenue [Text Block]
13.
Cost of revenues
 
Cost of revenues includes shipping cost of US$1,164,812, US$1,815,301 and US$2,402,700 for the fiscal years ended March 31, 2013, 2014 and 2015 respectively.