Annual report pursuant to section 13 and 15(d)

Segment and Geographic Information - Additional Information (Detail)

v2.4.0.8
Segment and Geographic Information - Additional Information (Detail)
12 Months Ended
Mar. 31, 2013
Segment
Mar. 31, 2012
Segment Reporting Information [Line Items]    
Number of Operating Segments 1  
Percentage of gross revenues largest customer accounted 33.00% 0.00%